🛡️ CVE-2025-51087 — ac8-firmware

🟠 CVSS 8.6 — High ⚠️ Exploit Public CWE-121 NVD
8.6
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

Tenda AC8V4 V16.03.34.06` was discovered to contain stack overflow at /goform/saveParentControlInfo. The manipulation of the argument time leads to stack-based buffer overflow.

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 high, integrity low, availability low.

Weakness class

CVE-2025-51087 is classified as CWE-121: Stack-based Buffer Overflow. An oversized write to a stack buffer overwrites saved state such as return addresses, which can redirect execution.

Affected software

CVE-2025-51087 is recorded against 1 package.

  • ac8-firmware

Timeline and source

Published on 24 July 2025 and last revised on 5 July 2026. A public exploit is known to exist, which raises the urgency of patching considerably. Record sourced from NVD.

References

github.com

Details

Severity HIGH
CVSS Score 8.6
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L
CWE CWE-121
Public Exploit ⚠️ Yes
Source NVD
Published 2025-07-24
Updated 2026-08-11
Modified 2026-07-05
Fix URL N/A

Affected Packages

Software From version Fixed in
ac8-firmware — —

Similar Threats

Exploit Protection

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CVE-2025-51087 carries CVSS 8.6 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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