PT-2026-43015 · Totolink · A8000Ru

Ltzhuster2 · CVE-2026-9436 · Published 2026-05-25 · Updated 2026-05-25

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 An OS command injection flaw exists in the Web Management Interface. A remote attacker can execute this by manipulating the enable argument within the setL2tpServerCfg() function of the '/cgi-bin/cstecgi.cgi' endpoint.

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-2026-9436

Affected Products

A8000Ru

References · 8

• 🔥 https://github.com/Litengzheng/vuldb_new2/blob/main/A8000RU/vul_357/README.md · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-9436 · Security Note
• https://vuldb.com/submit/813909 · Note
• https://vuldb.com/submit/813461 · Note
• https://totolink.net · Note
• https://vuldb.com/vuln/365417 · Note
• https://vuldb.com/vuln/365417/cti · Note
• https://t.me/CVEtracker/54833 · Telegram Post