🛡️ CVE-2022-25556 — ax12-firmware

🟠 CVSS 7.5 — High ⚠️ Exploit Public CWE-787 NVD
7.5
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

Tenda AX12 v22.03.01.21 was discovered to contain a stack overflow in the function sub_42E328. This vulnerability allows attackers to cause a Denial of Service (DoS) via the list parameter.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality none, integrity none, availability high.

Weakness class

CVE-2022-25556 is classified as CWE-787: Out-of-bounds Write. Data is written past the end or before the start of a buffer, corrupting whatever is stored there.

Affected software

CVE-2022-25556 is recorded against 1 package.

  • ax12-firmware

Timeline and source

Published on 10 March 2022 and last revised on 17 June 2026. A public exploit is known to exist, which raises the urgency of patching considerably. Record sourced from NVD.

References

github.com
github.com

Details

Severity HIGH
CVSS Score 7.5
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE CWE-787
Public Exploit ⚠️ Yes
Source NVD
Published 2022-03-10
Updated 2026-08-11
Modified 2026-06-17
Fix URL N/A

Affected Packages

Software From version Fixed in
ax12-firmware — —

Similar Threats

Exploit Protection

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CVE-2022-25556 carries CVSS 7.5 High rating and a public exploit already exists. BotEraser checks your installation against this and other known CVE records, and blocks IPs associated with exploit activity.

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