PT-2026-42956 · Totolink · A8000Ru

Ltzhuster · Published 2026-05-24 · Updated 2026-05-24 · CVE-2026-9387

Mitre

CVSS v3.1

9.8

Critical

Base vector

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

A security flaw has been discovered in Totolink A8000RU 7.1cu.643 b20200521. The affected element is the function setUpgradeFW of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. Performing a manipulation of the argument resetFlags results in os command injection. It is possible to initiate the attack remotely. The exploit has been released to the public and may be used for attacks.

Exploit

OS Command Injection

Command Injection

Weakness Enumeration

CWE-78

CWE-77

Related Identifiers

CVE-2026-9387

Affected Products

A8000Ru

References · 5

• 🔥 https://github.com/Litengzheng/vuldb_new2/blob/main/A8000RU/vul_334/README.md · Exploit
• https://vuldb.com/vuln/365350 · Note
• https://vuldb.com/vuln/365350/cti · Note
• https://totolink.net · Note
• https://vuldb.com/submit/813433 · Note