PT-2026-31724 · Totolink · Totolink A7100Ru

Ltzhuster2 · Published 2026-04-09 · Updated 2026-04-13 · CVE-2026-5976

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 issue exists in Totolink A7100RU 7.4cu.2313 b20191024. The setStorageCfg function within the /cgi-bin/cstecgi.cgi file of the CGI Handler component is susceptible to os command injection through manipulation of the sambaEnabled argument. This allows for remote attacks. The exploit is publicly available.

Recommendations Update to a newer version that contains a fix for this vulnerability.

Exploit

Fix

RCE

Command Injection

OS Command Injection

Weakness Enumeration

CWE-77

CWE-78

Related Identifiers

CVE-2026-5976

Affected Products

Totolink A7100Ru

References · 9

• 🔥 https://github.com/Litengzheng/vuldb_new/blob/main/A7100RU/vul_162/README.md · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-5976 · Security Note
• https://vuldb.com/vuln/356530/cti · Note
• https://twitter.com/CveFindCom/status/2042342742169112656 · Twitter Post
• https://vuldb.com/submit/791822 · Note
• https://totolink.net · Note
• https://vuldb.com/vuln/356530 · Note
• https://twitter.com/CVEnew/status/2042340043310719333 · Twitter Post
• https://twitter.com/0dayPublishing/status/2043791265519550736 · Twitter Post