CVE-2026-5691

5.5 mediumEPSS 1.3%

Medium (5.5). EPSS 1.3% chance of exploitation in the next 30 days.

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.

Severity

CVSS 4.0

5.5 medium

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

CVSS 3.1

7.3 high

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

EPSS: 1.3% chance of exploitation in the next 30 days; higher than 70% of CVEs (scores of 2026-10-31)
CWEs: CWE-77, CWE-78
Published: 2026-04-06
Modified: 2026-07-24
Record from: the NVD, synced 2026-10-19

References

https://github.com/Litengzheng/vuldb_new/blob/main/A7100RU/vul_189/README.md
https://vuldb.com/submit/792962
https://vuldb.com/vuln/355518
https://vuldb.com/vuln/355518/cti
https://www.totolink.net/

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