PT-2026-43046 · Totolink · A8000Ru

Ltzhust · Published 2026-05-25 · Updated 2026-05-25 · CVE-2026-9457

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 vulnerability was determined in Totolink A8000RU 7.1cu.643 b20200521. The affected element is the function UploadFirmwareFile of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. This manipulation of the argument FileName causes os command injection. The attack is possible to be carried out remotely. The exploit has been publicly disclosed and may be utilized.

Exploit

Command Injection

OS Command Injection

Weakness Enumeration

CWE-77

CWE-78

Related Identifiers

CVE-2026-9457

Affected Products

A8000Ru

References · 5

• 🔥 https://github.com/Litengzheng/vuldb_new2/blob/main/A8000RU/vul_343/README.md · Exploit
• https://vuldb.com/vuln/365438/cti · Note
• https://vuldb.com/vuln/365438 · Note
• https://vuldb.com/submit/813454 · Note
• https://totolink.net · Note