github - ghsa-fqv9-84fh-jjgr

GHSA-FQV9-84FH-JJGR

Vulnerability from github – Published: 2023-05-24 15:30 – Updated: 2025-10-22 00:32

Details

A buffer overflow vulnerability in the ID processing function in Zyxel ATP series firmware versions 4.32 through 5.36 Patch 1, USG FLEX series firmware versions 4.50 through 5.36 Patch 1, USG FLEX 50(W) firmware versions 4.25 through 5.36 Patch 1, USG20(W)-VPN firmware versions 4.25 through 5.36 Patch 1, VPN series firmware versions 4.30 through 5.36 Patch 1, ZyWALL/USG series firmware versions 4.25 through 4.73 Patch 1, could allow an unauthenticated attacker to cause denial-of-service (DoS) conditions and even a remote code execution on an affected device.

Severity ?

9.8 (Critical)


                  
                    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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{
  "affected": [],
  "aliases": [
    "CVE-2023-33010"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-120"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2023-05-24T13:15:09Z",
    "severity": "CRITICAL"
  },
  "details": "A buffer overflow vulnerability in the ID processing function in Zyxel ATP series firmware versions 4.32 through 5.36 Patch 1, USG FLEX series firmware versions 4.50 through 5.36 Patch 1, USG FLEX 50(W) firmware versions 4.25 through 5.36 Patch 1, USG20(W)-VPN firmware versions 4.25 through 5.36 Patch 1, VPN series firmware versions 4.30 through 5.36 Patch 1, ZyWALL/USG series firmware versions 4.25 through 4.73 Patch 1, could allow an unauthenticated attacker to cause denial-of-service (DoS) conditions and even a remote code execution on an affected device.",
  "id": "GHSA-fqv9-84fh-jjgr",
  "modified": "2025-10-22T00:32:44Z",
  "published": "2023-05-24T15:30:27Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-33010"
    },
    {
      "type": "WEB",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-33010"
    },
    {
      "type": "WEB",
      "url": "https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-buffer-overflow-vulnerabilities-of-firewalls"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2023-33010 (GCVE-0-2023-33010)

Vulnerability from cvelistv5 – Published: 2023-05-24 00:00 – Updated: 2025-10-21 23:05

Summary

Severity ?

9.8 (Critical)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CWE

CWE-120 - Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

Assigner

Zyxel

References

URL

Tags

https://www.zyxel.com/global/en/support/security-…

Impacted products

Vendor

Product

Version

Zyxel

ATP series firmware

Affected: 4.32 through 5.36 Patch 1

Zyxel	USG FLEX series firmware	Affected: 4.50 through 5.36 Patch 1
Zyxel	USG FLEX 50(W) firmware	Affected: 4.25 through 5.36 Patch 1
Zyxel	USG20(W)-VPN firmware	Affected: 4.25 through 5.36 Patch 1
Zyxel	VPN series firmware	Affected: 4.30 through 5.36 Patch 1
Zyxel	ZyWALL/USG series firmware	Affected: 4.25 through 4.73 Patch 1

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  "containers": {
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        "providerMetadata": {
          "dateUpdated": "2024-08-02T15:32:46.559Z",
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Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
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.

Detection rules are retrieved from Rulezet.

Action not permitted

GHSA-FQV9-84FH-JJGR

CVE-2023-33010 (GCVE-0-2023-33010)

Tags

Sightings

Nomenclature