CVE-2026-7124 | THREATINT

Description

A vulnerability was determined in Totolink A8000RU 7.1cu.643_b20200521. Affected by this vulnerability is the function setIpv6LanCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Executing a manipulation of the argument addrPrefixLen can lead to os command injection. The attack can be launched remotely. The exploit has been publicly disclosed and may be utilized.

PUBLISHED Reserved 2026-04-26 | Published 2026-04-27 | Updated 2026-04-27 | Assigner VulDB

CRITICAL: 9.3CVSS: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

CRITICAL: 9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R

CRITICAL: 9.8CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R

10.0AV:N/AC:L/Au:N/C:C/I:C/A:C/E:POC/RL:ND/RC:UR

Problem types

OS Command Injection

Command Injection

Product status

7.1cu.643_b20200521

affected

Timeline

2026-04-26:	Advisory disclosed
2026-04-26:	VulDB entry created
2026-04-26:	VulDB entry last update

Credits

LtzHuster2 (VulDB User) reporter

References

vuldb.com/vuln/359723 (VDB-359723 | Totolink A8000RU CGI cstecgi.cgi setIpv6LanCfg os command injection) vdb-entry technical-description

vuldb.com/vuln/359723/cti (VDB-359723 | CTI Indicators (IOB, IOC, TTP, IOA)) signature permissions-required

vuldb.com/submit/801005 (Submit #801005 | Totolink A8000RU 7.1cu.643_b20200521 Command Injection) third-party-advisory

github.com/...vuldb_new2/tree/main/A8000RU/vul_309/README.md exploit

www.totolink.net/ product

cve.org (CVE-2026-7124)

nvd.nist.gov (CVE-2026-7124)

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