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Description

A security vulnerability has been detected in Totolink A3300R 17.0.0cu.557_B20221024. The impacted element is the function vsetTr069Cfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument stun_pass leads to os command injection. The exploit has been disclosed publicly and may be used.

PUBLISHED Reserved 2026-04-06 | Published 2026-04-06 | Updated 2026-04-07 | Assigner VulDB




MEDIUM: 5.1CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
MEDIUM: 5.5CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
MEDIUM: 5.5CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
5.2AV:A/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR

Problem types

OS Command Injection

Command Injection

Product status

17.0.0cu.557_B20221024
affected

Timeline

2026-04-06:Advisory disclosed
2026-04-06:VulDB entry created
2026-04-06:VulDB entry last update

Credits

m202572177 (VulDB User) reporter

References

vuldb.com/vuln/355506 (VDB-355506 | Totolink A3300R cstecgi.cgi vsetTr069Cfg os command injection) vdb-entry technical-description

vuldb.com/vuln/355506/cti (VDB-355506 | CTI Indicators (IOB, IOC, TTP, IOA)) signature permissions-required

vuldb.com/submit/792650 (Submit #792650 | Totolink A3300R V17.0.0cu.557_B20221024 OS Command Injection) third-party-advisory

vuldb.com/submit/792798 (Submit #792798 | Totolink A3300R V17.0.0cu.557_B20221024 OS Command Injection (Duplicate)) third-party-advisory

github.com/...e/main/totolink-a3300r-stun-pass-cmd-injection exploit

www.totolink.net/ product

cve.org (CVE-2026-5679)

nvd.nist.gov (CVE-2026-5679)

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