CVE-2026-6112

CRITICAL 9.8

Totolink A7100RU CGI cstecgi.cgi setRadvdCfg os command injection

CVSS Score

9.8

EPSS Score

0.9%

EPSS Percentile

76th

A weakness has been identified in Totolink A7100RU 7.4cu.2313_b20191024. Affected is the function setRadvdCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. This manipulation of the argument maxRtrAdvInterval causes os command injection. The attack can be initiated remotely. The exploit has been made available to the public and could be used for attacks.

CWE	CWE-78 CWE-77
Vendor	totolink
Product	a7100ru
Published	Apr 12, 2026
Last Updated	Apr 15, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

Totolink / A7100RU

7.4cu.2313_b20191024

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/356972 vuldb.com: https://vuldb.com/vuln/356972/cti vuldb.com: https://vuldb.com/submit/792245 github.com: https://github.com/Litengzheng/vuldb_new/blob/main/A7100RU/vul_177/README.md totolink.net: https://www.totolink.net/

Credits

🔍 LtzHust2 (VulDB User)