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Description

A security flaw has been discovered in Totolink LR350 9.3.5u.6369_B20220309. This vulnerability affects the function setWizardCfg of the file /cgi-bin/cstecgi.cgi of the component POST Request Handler. Performing a manipulation of the argument ssid results in buffer overflow. The attack can be initiated remotely. The exploit has been released to the public and may be used for attacks.

PUBLISHED Reserved 2026-01-18 | Published 2026-01-19 | Updated 2026-02-23 | Assigner VulDB




HIGH: 8.7CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
HIGH: 8.8CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
HIGH: 8.8CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
9.0AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR

Problem types

Buffer Overflow

Memory Corruption

Product status

9.3.5u.6369_B20220309
affected

Timeline

2026-01-18:Advisory disclosed
2026-01-18:VulDB entry created
2026-01-20:VulDB entry last update

Credits

yhryhryhr_tu (VulDB User) reporter

References

vuldb.com/?id.341752 (VDB-341752 | Totolink LR350 POST Request cstecgi.cgi setWizardCfg buffer overflow) vdb-entry technical-description

vuldb.com/?ctiid.341752 (VDB-341752 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/?submit.735728 (Submit #735728 | TOTOLINK LR350 LR350 V9.3.5u.6369_B20220309 Buffer Overflow) third-party-advisory

lavender-bicycle-a5a.notion.site/...049e279?source=copy_link exploit

www.totolink.net/ product

cve.org (CVE-2026-1158)

nvd.nist.gov (CVE-2026-1158)

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