CVE-2026-5993

A vulnerability was identified in Totolink A7100RU 7.4cu.2313_b20191024. This vulnerability affects the function setWiFiGuestCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Such manipulation of the argument wifiOff leads to os command injection. The attack can be executed remotely. The exploit is publicly available and might be used.

CVSS 4.0

8.9CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P

CVSS 3.1

9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS

1.8% chance of exploitation in the next 30 days; higher than 78% of CVEs (scores of 2026-10-26)

CWEs

CWE-77, CWE-78

Published

2026-04-10

Modified

2026-10-26

Record from

the NVD, synced 2026-10-26

References

• https://github.com/Litengzheng/vuldb_new/blob/main/A7100RU/vul_165/README.md
• https://vuldb.com/submit/792041
• https://vuldb.com/vuln/356547
• https://vuldb.com/vuln/356547/cti
• https://www.totolink.net/

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