CVE-2026-5852

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

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

14% chance of exploitation in the next 30 days; higher than 96% of CVEs (scores of 2026-10-26)

CWEs

CWE-77, CWE-78

Published

2026-04-09

Modified

2026-10-26

Record from

the NVD, synced 2026-10-26

References

• https://github.com/Litengzheng/vuldb_new/blob/main/A7100RU/vul_158/README.md
• https://vuldb.com/submit/791272
• https://vuldb.com/vuln/356378
• https://vuldb.com/vuln/356378/cti
• https://www.totolink.net/

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