PT-2025-35429 · Tenda · Tenda Ch22

Physicszq · Published 2025-08-31 · Updated 2025-09-05 · CVE-2025-9748

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 stack-based buffer overflow issue exists in the httpd component of Tenda CH22 version 1.0.0.1. The vulnerability is located in the fromIpsecitem function within the /goform/IPSECsave file. Manipulation of the ipsecno argument can trigger the overflow, potentially allowing for remote exploitation.

Recommendations Update to a newer version that contains a fix for this issue. As a temporary workaround, consider restricting access to the /goform/IPSECsave file. Avoid manipulating the ipsecno argument.

Exploit

Fix

Memory Corruption

Stack Overflow

Buffer Overflow

Weakness Enumeration

CWE-787

CWE-121

CWE-119

Related Identifiers

BDU:2025-10707

CVE-2025-9748

Affected Products

Tenda Ch22

References · 13

• 🔥 https://github.com/physicszq/Routers/tree/main/tmp/02 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2025-9748 · Security Note
• https://bdu.fstec.ru/vul/2025-10707 · Security Note
• https://osv.dev/vulnerability/CVE-2025-9748 · Vendor Advisory
• https://twitter.com/cracbot/status/1963557742142263350 · Twitter Post
• https://vuldb.com/?ctiid.322049 · Note
• https://vuldb.com/?submit.640422 · Note
• https://twitter.com/CVEnew/status/1962282383610114503 · Twitter Post
• https://twitter.com/cracbot/status/1963920109954572469 · Twitter Post
• https://twitter.com/CveFindCom/status/1962276742590071236 · Twitter Post
• https://tenda.com.cn · Note
• https://t.me/CVEtracker/31385 · Telegram Post
• https://vuldb.com/?id.322049 · Note