Vulnerability · Published Mar 22, 2026 · Assigned by VulDB

CVE-2026-4551Tenda F453 Parameters SafeClientFilter fromSafeClientFilter memory corruption

High 8.8

In plain English

A high-severity stack buffer overflow in F453 from Tenda. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 51% of all known vulnerabilities).

Severity (CVSS 3.1)8.8High

Exploit odds (30 days)0.6%top 48.9% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

A vulnerability was found in Tenda F453 1.0.0.3. This vulnerability affects the function fromSafeClientFilter of the file /goform/SafeClientFilter of the component Parameters Handler. Performing a manipulation of the argument menufacturer/Go results in stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit has been made public and could be used.

Affected products (as reported)

Vendor	Product	Versions
Tenda	F453	1.0.0.3

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

References

VDB-352378 | Tenda F453 Parameters SafeClientFilter fromSafeClientFilter memory corruption vdb-entry, technical-description
VDB-352378 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
Submit #774929 | Tenda F453 v1.0.0.3 Stack-based Buffer Overflow third-party-advisory
https://github.com/Litengzheng/vul_db/blob/main/F453/vul_86/README.md exploit
https://www.tenda.com.cn/ broken-link, product