Vulnerability · Published Oct 8, 2025 · Assigned by VulDB

CVE-2025-11418Tenda CH22 HTTP Request AdvSetWrlsafeset formWrlsafeset stack-based overflow

Critical 9.8

In plain English

A critical-severity stack buffer overflow in CH22 from Tenda. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 6.9% (higher than 94% of all known vulnerabilities).

Severity (CVSS 3.1)9.8Critical

Exploit odds (30 days)6.9%top 5.9% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

A security vulnerability has been detected in Tenda CH22 up to 1.0.0.1. This issue affects the function formWrlsafeset of the file /goform/AdvSetWrlsafeset of the component HTTP Request Handler. The manipulation of the argument mit_ssid_index leads to stack-based buffer overflow. The attack may be initiated remotely. The exploit has been disclosed publicly and may be used.

Affected products (as reported)

Vendor	Product	Versions
Tenda	CH22	1.0.0.01.0.0.1

Weakness: CWE-121, CWE-119 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R

References

VDB-327354 | Tenda CH22 HTTP Request AdvSetWrlsafeset formWrlsafeset stack-based overflow vdb-entry, technical-description
VDB-327354 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
Submit #665615 | Tenda CH22 V1.0.0.1 Stack-based Buffer Overflow third-party-advisory
https://github.com/Sxxxw/cve/issues/2 exploit, issue-tracking
https://www.tenda.com.cn/ product