PT-2026-35411 · Totolink · A8000Ru

Ltzhuster2 · Published 2026-04-27 · Updated 2026-04-27 · CVE-2026-7122

Mitre

CVSS v3.1

9.8

Critical

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

A vulnerability has been found in Totolink A8000RU 7.1cu.643 b20200521. This impacts the function setUPnPCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Such manipulation of the argument enable leads to os command injection. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.

Exploit

Fix

Command Injection

OS Command Injection

Weakness Enumeration

CWE-77

CWE-78

Related Identifiers

CVE-2026-7122

Affected Products

A8000Ru

References · 8

• 🔥 https://github.com/Litengzheng/vuldb_new2/blob/main/A8000RU/vul_307/README.md · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-7122 · Security Note
• https://totolink.net · Note
• https://vuldb.com/submit/800934 · Note
• https://vuldb.com/vuln/359721/cti · Note
• https://vuldb.com/vuln/359721 · Note
• https://twitter.com/CVEnew/status/2048852181625786544 · Twitter Post
• https://twitter.com/OrizonCyber/status/2048779232008974794 · Twitter Post