PT-2026-43098 · Totolink · A8000Ru

Ltzhust2 · Published 2026-05-25 · Updated 2026-05-25 · CVE-2026-9477

Positive Technologies (AI Summary)

CVSS v3.1

10

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions Totolink A8000RU version 7.1cu.643 b20200521

Description An OS command injection flaw exists in the Web Management Interface. This issue occurs within the setAccessDeviceCfg() function of the '/cgi-bin/cstecgi.cgi' endpoint. A remote attacker can trigger this by manipulating the mac argument, allowing for the execution of arbitrary operating system commands.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Command Injection

OS Command Injection

Weakness Enumeration

CWE-77

CWE-78

Related Identifiers

CVE-2026-9477

Affected Products

A8000Ru

References · 7

• 🔥 https://github.com/Litengzheng/vuldb_new2/blob/main/A8000RU/vul_349/README.md · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-9477 · Security Note
• https://vuldb.com/vuln/365458 · Note
• https://totolink.net · Note
• https://t.me/CVEtracker/54892 · Telegram Post
• https://vuldb.com/submit/813460 · Note
• https://vuldb.com/vuln/365458/cti · Note