CVE-2026-5691

HIGH 7.3

Totolink A7100RU cstecgi.cgi setFirewallType os command injection

CVSS Score

7.3

EPSS Score

2.4%

EPSS Percentile

85th

A vulnerability has been found in Totolink A7100RU 7.4cu.2313_b20191024. This affects the function setFirewallType of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument firewallType leads to os command injection. The attack is possible to be carried out remotely. The exploit has been disclosed to the public and may be used.

CWE	CWE-78 CWE-77
Vendor	totolink
Product	a7100ru
Published	Apr 6, 2026
Last Updated	Apr 7, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/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/355518 vuldb.com: https://vuldb.com/vuln/355518/cti vuldb.com: https://vuldb.com/submit/792962 github.com: https://github.com/Litengzheng/vuldb_new/blob/main/A7100RU/vul_189/README.md totolink.net: https://www.totolink.net/

Credits

🔍 LtzHust2 (VulDB User)