PT-2026-29114 · Tenda · Tenda Ch22

Ltzhust2 · Published 2026-03-30 · Updated 2026-03-30 · CVE-2026-5154

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 CH22 version 1.0.0.1

Description A flaw exists in the Tenda CH22 that could allow for remote exploitation. The issue is located within the fromSetCfm function of the /goform/setcfm file, part of the Parameter Handler component. Manipulation of the funcname argument can lead to a stack-based buffer overflow. The details of the exploit have been publicly disclosed.

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

Exploit

Fix

Stack Overflow

Buffer Overflow

Weakness Enumeration

CWE-121

CWE-119

Related Identifiers

CVE-2026-5154

Affected Products

Tenda Ch22

References · 8

• 🔥 https://github.com/Litengzheng/vuldb_new/blob/main/CH22/vul_48/README.md · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-5154 · Security Note
• https://twitter.com/vuldb/status/2038617299230642264 · Twitter Post
• https://vuldb.com/vuln/354186 · Note
• https://twitter.com/CveFindCom/status/2038763950402109466 · Twitter Post
• https://vuldb.com/submit/780206 · Note
• https://tenda.com.cn · Note
• https://vuldb.com/vuln/354186/cti · Note