PT-2026-43044 · Totolink · A8000Ru

Ltzhust · Published 2026-05-25 · Updated 2026-05-25 · CVE-2026-9456

Positive Technologies (AI Summary)

CVSS v2.0

10

Critical

Base vector

AV:N/AC:L/Au:N/C:C/I:C/A:C

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

Description OS command injection is possible in the Web Management Interface via the setOpenVpnCfg() function located in the '/cgi-bin/cstecgi.cgi' endpoint. This issue occurs when the enabled argument is manipulated, allowing a remote attacker to execute 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-2026-9456

Affected Products

A8000Ru

References · 8

• 🔥 https://github.com/Litengzheng/vuldb_new2/blob/main/A8000RU/vul_344/README.md · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-9456 · Security Note
• https://vuldb.com/vuln/365437 · Note
• https://totolink.net · Note
• https://t.me/CVEtracker/54863 · Telegram Post
• https://vuldb.com/vuln/365437/cti · Note
• https://vuldb.com/submit/813452 · Note
• https://twitter.com/CVEnew/status/2058935251888484392 · Twitter Post