PT-2025-47491 · Tenda · Tenda Ch22

Li Hu · Published 2025-11-19 · Updated 2025-11-20 · CVE-2025-13400

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Tenda CH22 version 1.0.0.1

Description A buffer overflow issue exists in the formWrlExtraGet function of the /goform/WrlExtraGet file. Manipulation of the chkHz argument can trigger the overflow. Remote exploitation is possible, and an exploit is publicly available.

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

Exploit

Fix

Buffer Overflow

Weakness Enumeration

CWE-119

CWE-120

Related Identifiers

CVE-2025-13400

Affected Products

Tenda Ch22

References · 11

• 🔥 https://github.com/f000x0/cve/issues/14 · Exploit
• https://osv.dev/vulnerability/CVE-2025-13400 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-13400 · Security Note
• https://vuldb.com/?ctiid.332926 · Note
• https://twitter.com/gothburz/status/1991612964890194006 · Twitter Post
• https://t.me/cveNotify/143472 · Telegram Post
• https://tenda.com.cn · Note
• https://twitter.com/CveFindCom/status/1991260263987720573 · Twitter Post
• https://twitter.com/CVEnew/status/1991409488960627040 · Twitter Post
• https://vuldb.com/?submit.692145 · Note
• https://vuldb.com/?id.332926 · Note