PT-2026-31831 · Tenda · Tenda Fh451

Jimi · Published 2026-03-30 · Updated 2026-04-10 · CVE-2026-5991

Positive Technologies (AI Summary)

CVSS v2.0

9.0

High

Base vector

AV:N/AC:L/Au:S/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions Tenda F451 version 1.0.0.7

Description A stack-based buffer overflow exists in the formWrlExtraSet function located in the /goform/WrlExtraSet file of the Tenda F451 device. The GO argument can be manipulated to trigger this overflow, potentially allowing for remote code execution. The exploit has been publicly released.

Recommendations Update to a newer version that contains a fix for this vulnerability. As a temporary workaround, consider restricting access to the /goform/WrlExtraSet file.

Exploit

Fix

Buffer Overflow

Stack Overflow

Weakness Enumeration

CWE-119

CWE-121

Related Identifiers

BDU:2026-07511

CVE-2026-5991

Affected Products

Tenda Fh451

References · 10

• 🔥 https://github.com/Jimi-Lab/cve/issues/9 · Exploit
• https://bdu.fstec.ru/vul/2026-07511 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-5991 · Security Note
• https://twitter.com/CVEarity/status/2042652256684920881 · Twitter Post
• https://vuldb.com/vuln/356545 · Note
• https://vuldb.com/vuln/356545/cti · Note
• https://vuldb.com/submit/792862 · Note
• https://twitter.com/CveFindCom/status/2042395240271630494 · Twitter Post
• https://tenda.com.cn · Note
• https://twitter.com/NewsNerdie/status/2042664536277143589 · Twitter Post