PT-2026-29115 · Tenda · Tenda Ch22

Ltzhust2 · Published 2026-03-14 · Updated 2026-03-31 · CVE-2026-5156

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 CH22 version 1.0.0.1

Description A flaw exists in the Parameter Handler component of Tenda CH22 version 1.0.0.1, specifically within the formQuickIndex function located in the /goform/QuickIndex file. Manipulation of the mit linktype argument can lead to a stack-based buffer overflow. This issue is remotely exploitable and has been publicly disclosed.

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

Exploit

Stack Overflow

Buffer Overflow

Memory Corruption

Weakness Enumeration

CWE-121

CWE-119

CWE-787

Related Identifiers

BDU:2026-04337

CVE-2026-5156

Affected Products

Tenda Ch22

References · 11

• 🔥 https://github.com/Litengzheng/vuldb_new/blob/main/CH22/vul_46/README.md · Exploit
• https://bdu.fstec.ru/vul/2026-04337 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-5156 · Security Note
• https://twitter.com/CVEnew/status/2038916063359054285 · Twitter Post
• https://tenda.com.cn · Note
• https://twitter.com/vuldb/status/2038620813868552607 · Twitter Post
• https://twitter.com/CveFindCom/status/2038778972188643395 · Twitter Post
• https://vuldb.com/submit/780208 · Note
• https://twitter.com/CVEarity/status/2038884204013035783 · Twitter Post
• https://vuldb.com/vuln/354188/cti · Note
• https://vuldb.com/vuln/354188 · Note