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CVE-2026-3677 (GCVE-0-2026-3677)

Vulnerability from cvelistv5 – Published: 2026-03-07 22:02 – Updated: 2026-03-11 16:28
VLAI
Title
Tenda FH451 setcfm fromSetCfm stack-based overflow
Summary
A vulnerability was found in Tenda FH451 1.0.0.9. This impacts the function fromSetCfm of the file /goform/setcfm. The manipulation of the argument funcname/funcpara1 results in stack-based buffer overflow. The attack may be performed from remote. The exploit has been made public and could be used.
Severity
8.7 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
8.8 (High)
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/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 2026-03-11 16:25 UTC
CWE
Assigner
References
URL Tags
https://vuldb.com/?id.349579 vdb-entrytechnical-description
https://vuldb.com/?ctiid.349579 signaturepermissions-required
https://vuldb.com/?submit.765329 third-party-advisory
https://github.com/Litengzheng/vul_db/blob/main/F… exploit
https://www.tenda.com.cn/ product
Impacted products
Vendor Product Version CPE status
Tenda FH451 Affected: 1.0.0.9
    cpe:2.3:o:tenda:fh451_firmware:*:*:*:*:*:*:*:*
Create a notification for this product.
Credits
LtzHuster (VulDB User)
Show details on NVD website
To clipboard 

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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


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