PT-2026-26966 · Tenda · Tenda Fh451

Ltzhuster · Published 2026-03-22 · Updated 2026-03-23 · CVE-2026-4534

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 FH451 version 1.0.0.9

Description A flaw exists in Tenda FH451 version 1.0.0.9 that allows remote attackers to trigger a stack-based buffer overflow. The issue is located in the formWrlExtraSet function within the /goform/WrlExtraSet file. Manipulation of the GO argument causes the overflow. Exploit code for this issue is publicly available.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Stack Overflow

Buffer Overflow

Weakness Enumeration

CWE-121

CWE-119

Related Identifiers

CVE-2026-4534

Affected Products

Tenda Fh451

References · 11

• 🔥 https://github.com/Litengzheng/vul_db/blob/main/FH451/vul_41/README.md · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-4534 · Security Note
• https://twitter.com/CVEnew/status/2035619709731942803 · Twitter Post
• https://twitter.com/ctiwatchcloud/status/2035687941041750477 · Twitter Post
• https://tenda.com.cn · Note
• https://vuldb.com/?ctiid.352322 · Note
• https://vuldb.com/?id.352322 · Note
• https://twitter.com/CVEarity/status/2035715530720735663 · Twitter Post
• https://twitter.com/CveFindCom/status/2035592952056013188 · Twitter Post
• https://vuldb.com/?submit.774342 · Note
• https://twitter.com/EdgeDetectOps/status/2035869329946738718 · Twitter Post