PT-2026-35529 · Totolink · A8000Ru

Ltzhuster2 · Published 2026-04-27 · Updated 2026-04-27 · CVE-2026-7156

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 was detected in Totolink A8000RU 7.1cu.643 b20200521. Affected is the function CsteSystem of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. The manipulation of the argument HTTP results in os command injection. The attack may be launched remotely. The exploit is now public and may be used.

Exploit

Fix

Command Injection

OS Command Injection

Weakness Enumeration

CWE-77

CWE-78

Related Identifiers

CVE-2026-7156

Affected Products

A8000Ru

References · 7

• 🔥 https://github.com/Litengzheng/vuldb_new2/blob/main/A8000RU/vul_320/README.md · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-7156 · Security Note
• https://vuldb.com/submit/801142 · Note
• https://twitter.com/VulmonFeeds/status/2048899000862982182 · Twitter Post
• https://vuldb.com/vuln/359755/cti · Note
• https://totolink.net · Note
• https://vuldb.com/vuln/359755 · Note