CVE-2025-8810

CWE-119 — Buffer OverflowCWE-121 — Stack-based Buffer Overflow4 documents4 sources
Severity
7.4HIGH
EPSS
0.2%
top 64.20%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Tenda Ac20Tenda Ac20 Firmware
Timeline
PublishedAug 10
Latest updateOct 10

Description

A vulnerability classified as critical was found in Tenda AC20 16.03.08.05. Affected by this vulnerability is the function strcpy of the file /goform/SetFirewallCfg. The manipulation of the argument firewallEn leads to stack-based buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used.

CVSS vector

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

Affected Packages2 packages

▶CVEListV5tenda/ac2016.03.08.05
▶NVDtenda/ac20_firmware16.03.08.05

🔴Vulnerability Details

2
GHSA
GHSA-6rv7-jp9x-7f4x: A vulnerability classified as critical was found in Tenda AC20 16↗2025-08-10
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CVEList
Tenda AC20 SetFirewallCfg strcpy stack-based overflow↗2025-08-10
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🔍Detection Rules

1
Suricata
ET WEB_SPECIFIC_APPS Tenda SetFirewallCfg firewallEn Parameter Buffer Overflow Attempt (CVE-2025-8810, CVE-2025-29358, CVE-2025-1851, CVE-2024-2809)↗2025-10-10
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