Common Weakness Enumeration

CWE-121

Allowed

Stack-based Buffer Overflow

Abstraction: Variant · Status: Draft

API response cwe.mitre.org

A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).

5833 vulnerabilities reference this CWE, most recent first.

CVE-2026-107736 (GCVE-0-2026-107736)

Vulnerability from cvelistv5 – Published: 2026-10-08 22:33 – Updated: 2026-10-09 15:12
VLAI
Title
SumatraPDF: stack buffer overflow while processing EXIF Orientation metadata
Summary
SumatraPDF is a multi-format reader for Windows. In 3.6.1 and earlier, MaybeFlipBitmap() asks GDI+ to read the attacker-controlled PropertyTagOrientation size through GetPropertyItem() while supplying only a fixed 64-byte buf on the stack. Opening a crafted TIFF with enough EXIF Orientation values can cause attacker-selected bytes to overwrite stack control data, while tested builds terminate through the stack cookie check. No broader impact is claimed beyond the advisory-supported conditions. No fixed version is available as of this review.
Severity
6.8 (Medium)
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-09 14:54 UTC
CWE
  • CWE-121 - Stack-based Buffer Overflow
Assigner
GitHub_M CNA under the mitre root
CNA scorecard C 72/100 over 7595 records in the last 180 days details
References
Impacted products
Show details on NVD website
To clipboard 

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CVE-2026-107705 (GCVE-0-2026-107705)

Vulnerability from cvelistv5 – Published: 2026-10-08 19:51 – Updated: 2026-10-08 19:51
VLAI
Title
Poppler 0.42.0 through 26.10.0 Stack Buffer Overflow via Decrypt::revision6Hash()
Summary
Poppler 0.42.0 through 26.10.0 contains a stack-based buffer overflow in Decrypt::revision6Hash() that allows attackers controlling the password to overwrite stack memory when opening AESV3/R6 encrypted PDFs. Attackers can supply a password longer than 127 bytes through applications using the libpoppler, libpoppler-glib or C++ API to overflow the K1 and E buffers, crashing the process or corrupting memory.
Severity
8.3 (High)
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N
6.5 (Medium)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H
CWE
  • CWE-121 - Stack-based Buffer Overflow
Assigner
VulnCheck CNA under the mitre root
CNA scorecard B 84/100 over 5401 records in the last 180 days details
References
Impacted products
Vendor Product Version
freedesktop poppler Affected: 0.42.0 , ≤ 26.10.0 (semver)
    cpe:2.3:a:freedesktop:poppler:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-10-05 00:00
Credits
Aziz Elbelaychy (Ostorlab)
Show details on NVD website
To clipboard 

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CVE-2026-105778 (GCVE-0-2026-105778)

Vulnerability from cvelistv5 – Published: 2026-10-06 06:45 – Updated: 2026-10-06 17:40
VLAI
Title
Tenda AC5 Wifi setWifi stack-based overflow
Summary
A vulnerability has been found in Tenda AC5 02.03.01.111_multi. Affected by this issue is some unknown functionality of the file /goform/setWifi of the component Wifi Handler. Such manipulation of the argument wifiPwd leads to stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.
Severity
9.4 (Critical)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P
9.9 (Critical)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R
9.9 (Critical)
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R
SSVC
Exploitation: poc Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-06 17:07 UTC
CWE
Assigner
VulDB CNA under the mitre root
CNA scorecard B 82/100 over 3678 records in the last 180 days details
References
Impacted products
Vendor Product Version
Tenda AC5 Affected: 02.03.01.111_multi
    cpe:2.3:o:tenda:ac5_firmware:*:*:*:*:*:*:*:*
Create a notification for this product.
Credits
raisecnull (VulDB User)
Show details on NVD website
To clipboard 

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CVE-2026-105673 (GCVE-0-2026-105673)

Vulnerability from cvelistv5 – Published: 2026-10-08 22:21 – Updated: 2026-10-09 15:18
VLAI
Title
Unauthenticated RTSP Tunnel Denial-of-Service Vulnerability in TP-Link Tapo C325WB
Summary
An unauthenticated denial-of-service vulnerability exists in Tapo C325WB v2 in the RTSP streaming service on TCP port 554 when the Camera Account feature is enabled. A crafted pair of RTSP-over-HTTP tunneling requests can cause memory corruption and crash the streaming daemon.  Successful exploitation may allow an unauthenticated adjacent-network attacker to disrupt live video and related streaming functions until the affected service recovers or restarts.
Severity
7.1 (High)
CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-09 15:18 UTC
CWE
  • CWE-121 - Stack-based buffer overflow
Assigner
TPLink CNA under the mitre root
CNA scorecard B 87/100 over 94 records in the last 180 days details
References
Impacted products
Vendor Product Version
TP-Link Systems Inc. Tapo C325WB v2 Affected: 0 , < V2_1.3.3 Build 260914 (custom)
Create a notification for this product.
Credits
Andrey Charikov, Check Point Research
Show details on NVD website
To clipboard 

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CVE-2026-105285 (GCVE-0-2026-105285)

Vulnerability from cvelistv5 – Published: 2026-10-05 09:15 – Updated: 2026-10-05 12:46
VLAI
Title
Totolink A3002MU QoS Rule formIpQoS stack-based overflow
Summary
A security vulnerability has been detected in Totolink A3002MU 1.0.0-B20230403.1455. This affects an unknown function of the file /boafrm/formIpQoS of the component QoS Rule Handler. The manipulation of the argument addQos/comment/entry_name leads to stack-based buffer overflow. Remote exploitation of the attack is possible. The exploit has been disclosed publicly and may be used.
Severity
10 (Critical)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P
10 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R
10 (Critical)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R
SSVC
Exploitation: poc Automatable: yes Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-05 12:46 UTC
CWE
Assigner
VulDB CNA under the mitre root
CNA scorecard B 82/100 over 3678 records in the last 180 days details
References
Impacted products
Vendor Product Version
Totolink A3002MU Affected: 1.0.0-B20230403.1455
    cpe:2.3:a:totolink:a3002mu:*:*:*:*:*:*:*:*
Create a notification for this product.
Credits
H3rmesk1t (VulDB User)
Show details on NVD website
To clipboard 

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CVE-2026-104945 (GCVE-0-2026-104945)

Vulnerability from cvelistv5 – Published: 2026-10-06 18:41 – Updated: 2026-10-07 14:03
VLAI
Title
Authenticated ONVIF PTZ Out-of-Bounds Stack Write Denial of Service in TP-Link Tapo C500
Summary
TP-Link Tapo C500 v2.0 contains an out-of-bounds stack write vulnerability in its ONVIF PTZ SOAP handlers. An authenticated ONVIF client can submit an excessive number of preset-related elements, causing writes beyond the bounds of fixed-size stack arrays and resulting in a crash of the affected service. Successful exploitation may allow an authenticated attacker to cause the affected service to crash, resulting in a denial-of-service condition. Repeated exploitation may repeatedly disrupt camera management and PTZ-related functionality until the service recovers or restarts.
Severity
6.8 (Medium)
CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-07 14:03 UTC
CWE
  • CWE-121 - Stack-based buffer overflow
Assigner
TPLink CNA under the mitre root
CNA scorecard B 87/100 over 94 records in the last 180 days details
References
Impacted products
Vendor Product Version
TP-Link Systems Inc. Tapo C500 v2.0 Affected: 0 , < 1.3.5 Build 260810 (custom)
Create a notification for this product.
Credits
Anastasios Kaltakis
Show details on NVD website
To clipboard 

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CVE-2026-104611 (GCVE-0-2026-104611)

Vulnerability from cvelistv5 – Published: 2026-10-02 12:15 – Updated: 2026-10-02 13:30
VLAI
Title
Tenda AC9 POST Request fast_setting_internet_set stack-based overflow
Summary
A vulnerability was detected in Tenda AC9 15.03.02.13. Affected is an unknown function of the file /goform/fast_setting_internet_set of the component POST Request Handler. Performing a manipulation of the argument netWanType results in stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit is now public and may be used.
Severity
9.4 (Critical)
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P
9.1 (Critical)
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R
9.1 (Critical)
CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-02 13:30 UTC
CWE
Assigner
VulDB CNA under the mitre root
CNA scorecard B 82/100 over 3678 records in the last 180 days details
References
Impacted products
Vendor Product Version
Tenda AC9 Affected: 15.03.02.13
    cpe:2.3:o:tenda:ac9_firmware:*:*:*:*:*:*:*:*
Create a notification for this product.
Credits
hodor (VulDB User)
Show details on NVD website
To clipboard 

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CVE-2026-104610 (GCVE-0-2026-104610)

Vulnerability from cvelistv5 – Published: 2026-10-02 12:00 – Updated: 2026-10-02 13:50
VLAI
Title
Tenda HG7/HG9/HG10 Boa Web Server formLoopBack boaGetVar stack-based overflow
Summary
A security vulnerability has been detected in Tenda HG7, HG9 and HG10 300001138_en_xpon. This impacts the function boaGetVar of the file /boaform/formLoopBack of the component Boa Web Server. Such manipulation of the argument Ethtype leads to stack-based buffer overflow. The attack can be executed remotely. The exploit has been disclosed publicly and may be used.
Severity
10 (Critical)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P
10 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R
10 (Critical)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R
SSVC
Exploitation: poc Automatable: yes Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-02 13:49 UTC
CWE
Assigner
VulDB CNA under the mitre root
CNA scorecard B 82/100 over 3678 records in the last 180 days details
References
URL Tags
https://vuldb.com/vuln/412917 vdb-entrytechnical-description
https://vuldb.com/vuln/412917/cti signaturepermissions-required
https://vuldb.com/cve/CVE-2026-104610 third-party-advisory
https://vuldb.com/submit/962541 third-party-advisory
https://github.com/Expl0rer-Ct/CVE/issues/1 exploitissue-tracking
https://www.tenda.com.cn/ product
Impacted products
Vendor Product Version
Tenda HG7 Affected: 300001138_en_xpon
    cpe:2.3:h:tenda:hg7:*:*:*:*:*:*:*:*
Create a notification for this product.
Tenda HG9 Affected: 300001138_en_xpon
    cpe:2.3:h:tenda:hg9:*:*:*:*:*:*:*:*
Create a notification for this product.
Tenda HG10 Affected: 300001138_en_xpon
    cpe:2.3:h:tenda:hg10:*:*:*:*:*:*:*:*
Create a notification for this product.
Credits
Expl0rer.Ct (VulDB User)
Show details on NVD website
To clipboard 

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CVE-2026-104115 (GCVE-0-2026-104115)

Vulnerability from cvelistv5 – Published: 2026-10-09 14:24 – Updated: 2026-10-09 14:24
VLAI
Title
Stack buffer overflow in illumos reparsed nfs-basic plugin allows local users to crash the daemon
Summary
A stack-based buffer overflow in the illumos reparse point daemon (reparsed) allows a local user to crash the daemon. get_fs_locations() in usr/src/cmd/fs.d/nfs/rp_basic/libnfs_basic.c, part of the nfs-basic reparse plugin, copies the host and path components of a reparse string into a fixed 1024-byte stack buffer without checking their length. The reparsed door at /var/run/reparsed_door is readable by all users and the door server does not check the caller's credentials, so an unprivileged local user can send an nfs-basic request with an overlong host or path component to overflow the buffer. On systems built with stack protection, which is the default, this causes reparsed to abort; repeated requests place the svc:/system/filesystem/reparse service into maintenance. The service is disabled by default. The flaw has existed since 2009 (illumos-gate commit 2f172c55), and affects any illumos distribution prior to illumos-gate commit 6a2df4aa.
Severity
5.4 (Medium)
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P
CWE
  • CWE-121 - Stack-based Buffer Overflow
Assigner
illumos CNA under the redhat root
CNA scorecard – unranked: 9 records in the last 180 days, 10 needed details
References
Impacted products
Vendor Product Version
illumos illumos-gate Affected: 2f172c55ef76964744bc62b4500ece87f3089b4d , < 6a2df4aa5381599179ab6afb3165db81960dee35 (git)
Create a notification for this product.
OmniOS OmniOS Affected: any , < r151054 (custom)
Affected: r151058 , < r151058w (custom)
Affected: r151056 , < r151056aw (custom)
Affected: r151054 , < r151054bw (custom)
Create a notification for this product.
Credits
Robert French James Wynne III Andy Fiddaman
Show details on NVD website
To clipboard 

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CVE-2026-103552 (GCVE-0-2026-103552)

Vulnerability from cvelistv5 – Published: 2026-10-02 09:48 – Updated: 2026-10-02 21:07
VLAI
Title
Apache Directory LDAP API: A unbound client can send a deeply nested search filter that overflows the stack in the server's decoder
Summary
Stack Overflow vulnerability in Apache Directory LDAP API. Before binding, a client can send a deeply nested search filter that overflows the stack in the server's decoder. This issue affects Apache Directory LDAP API: from 1.2.0 before 1.2.9. Users are recommended to upgrade to version 1.2.9, which fixes the issue.
Severity
7.3 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-02 18:29 UTC
CWE
  • CWE-121 - Stack-based buffer overflow
Assigner
apache CNA under the mitre root
CNA scorecard B 76/100 over 939 records in the last 180 days details
References
Impacted products
Credits
Claude Security The Apache Software Foundation
Show details on NVD website
To clipboard 

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Mitigation MIT-10
Operation Build and Compilation

Strategy: Environment Hardening

  • Use automatic buffer overflow detection mechanisms that are offered by certain compilers or compiler extensions. Examples include: the Microsoft Visual Studio /GS flag, Fedora/Red Hat FORTIFY_SOURCE GCC flag, StackGuard, and ProPolice, which provide various mechanisms including canary-based detection and range/index checking.
  • D3-SFCV (Stack Frame Canary Validation) from D3FEND [REF-1334] discusses canary-based detection in detail.
Mitigation
Architecture and Design

Use an abstraction library to abstract away risky APIs. Not a complete solution.

Mitigation
Implementation

Implement and perform bounds checking on input.

Mitigation
Implementation

Do not use dangerous functions such as gets. Use safer, equivalent functions which check for boundary errors.

Mitigation MIT-11
Operation Build and Compilation

Strategy: Environment Hardening

  • Run or compile the software using features or extensions that randomly arrange the positions of a program's executable and libraries in memory. Because this makes the addresses unpredictable, it can prevent an attacker from reliably jumping to exploitable code.
  • Examples include Address Space Layout Randomization (ASLR) [REF-58] [REF-60] and Position-Independent Executables (PIE) [REF-64]. Imported modules may be similarly realigned if their default memory addresses conflict with other modules, in a process known as "rebasing" (for Windows) and "prelinking" (for Linux) [REF-1332] using randomly generated addresses. ASLR for libraries cannot be used in conjunction with prelink since it would require relocating the libraries at run-time, defeating the whole purpose of prelinking.
  • For more information on these techniques see D3-SAOR (Segment Address Offset Randomization) from D3FEND [REF-1335].

No CAPEC attack patterns related to this CWE.

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