PT-2026-26919 · Tenda · Tenda Fh451

Ltzhuster · Published 2026-03-21 · Updated 2026-03-22 · CVE-2026-4535

Positive Technologies · (AI Summary)

CVSS v2.0

9.0

High

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 stack-based buffer overflow exists in the WrlclientSet function of the /goform/WrlclientSet file. Manipulation of the GO argument can trigger this issue, allowing for remote attacks. The exploit for this issue has been publicly disclosed.

Recommendations Update to a newer version that contains a fix for this vulnerability. As a temporary workaround, consider disabling the WrlclientSet function until a patch is available.

Exploit

Fix

Buffer Overflow

Stack Overflow

Weakness Enumeration

CWE-119

CWE-121

Related Identifiers

CVE-2026-4535

Affected Products

Tenda Fh451

References · 14

• 🔥 https://github.com/Litengzheng/vul_db/blob/main/FH451/vul_42/README.md · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-4535 · Security Note
• https://vuldb.com/?id.352323 · Note
• https://twitter.com/cyberbivash/status/2035604530222465397 · Twitter Post
• https://twitter.com/CVEarity/status/2035715657174827150 · Twitter Post
• https://vuldb.com/?ctiid.352323 · Note
• https://twitter.com/CVEnew/status/2035619708662428094 · Twitter Post
• https://twitter.com/VulmonFeeds/status/2035596904323510442 · Twitter Post
• https://tenda.com.cn · Note
• https://twitter.com/ctiwatchcloud/status/2035687941041750477 · Twitter Post
• https://twitter.com/vuldb/status/2035277122558947688 · Twitter Post
• https://twitter.com/CveFindCom/status/2035592991700635724 · Twitter Post
• https://vuldb.com/?submit.774343 · Note
• https://twitter.com/cybrsecpath/status/2035681613468897601 · Twitter Post