PT-2026-32239 · Totolink · A7100Ru

Ltzhuster · Published 2026-03-30 · Updated 2026-04-22 · CVE-2026-6154

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 A7100RU version 7.4cu.2313 b20191024

Description A security flaw exists in the CGI Handler component of Totolink A7100RU version 7.4cu.2313 b20191024. Manipulation of the wizard argument in the setWizardCfg function within the /cgi-bin/cstecgi.cgi file can lead to operating system command injection. This attack can be initiated remotely. A public exploit is available.

Recommendations Update to a newer version that contains a fix for this vulnerability. As a temporary workaround, restrict access to the /cgi-bin/cstecgi.cgi file.

Exploit

Fix

Command Injection

OS Command Injection

Weakness Enumeration

CWE-77

CWE-78

Related Identifiers

BDU:2026-07594

CVE-2026-6154

Affected Products

A7100Ru

References · 13

• 🔥 https://github.com/Litengzheng/vuldb_new/blob/main/A7100RU/vul_194/README.md · Exploit
• https://bdu.fstec.ru/vul/2026-07594 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-6154 · Security Note
• https://vuldb.com/vuln/357034/cti · Note
• https://vuldb.com/vuln/357034 · Note
• https://twitter.com/CveFindCom/status/2043550440025935925 · Twitter Post
• https://vuldb.com/submit/792990 · Note
• https://totolink.net · Note
• https://twitter.com/PurpleOps_io/status/2043909934350254342 · Twitter Post
• https://twitter.com/giuseppe_1337/status/2046777337543295404 · Twitter Post
• https://twitter.com/OrizonCyber/status/2043622750384795723 · Twitter Post
• https://dbugs.ptsecurity.com/vulnerability/PT-2026-32239 · Note
• https://twitter.com/ctiwatchcloud/status/2043660577638097379 · Twitter Post