PT-2025-29190 · Tenda · Tenda O3V2

Pjq123 · Published 2025-07-04 · Updated 2025-07-11 · CVE-2025-7421

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 O3V2 version 1.0.0.12(3880)

Description: A vulnerability exists in Tenda O3V2. The issue affects the fromMacFilterModify function within the httpd component, located in the /goform/operateMacFilter file. Manipulation of the mac argument can lead to a stack-based buffer overflow, potentially allowing for remote exploitation.

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

Exploit

Fix

Stack Overflow

Buffer Overflow

Weakness Enumeration

CWE-121

CWE-119

Related Identifiers

BDU:2025-08770

CVE-2025-7421

Affected Products

Tenda O3V2

References · 13

• 🔥❌ https://github.com/wudipjq/my_vuln/blob/main/Tenda3/vuln_54/54.md#poc · Exploit, Deleted
• 🔥 https://github.com/wudipjq/my_vuln/blob/main/Tenda3/vuln_54/54.md · Exploit
• https://osv.dev/vulnerability/CVE-2025-7421 · Vendor Advisory
• https://bdu.fstec.ru/vul/2025-08770 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2025-7421 · Security Note
• https://t.me/cvetracker/27518 · Telegram Post
• https://vuldb.com/?ctiid.315881 · Note
• https://twitter.com/CVEnew/status/1943668152262631721 · Twitter Post
• https://vuldb.com/?id.315881 · Note
• https://t.me/cvenotify/128485 · Telegram Post
• https://tenda.com.cn · Note
• https://twitter.com/VulmonFeeds/status/1943530580555014146 · Twitter Post
• https://vuldb.com/?submit.608867 · Note