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Description

A vulnerability was found in Totolink LR350 9.3.5u.6369_B20220309. Affected by this vulnerability is the function setWiFiEasyGuestCfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument ssid results in buffer overflow. The attack may be performed from remote. The exploit has been made public and could be used.

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

wxhwxhwxh_mie (VulDB User) reporter

References

vuldb.com/?id.341749 (VDB-341749 | Totolink LR350 cstecgi.cgi setWiFiEasyGuestCfg buffer overflow) vdb-entry technical-description

vuldb.com/?ctiid.341749 (VDB-341749 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/?submit.735718 (Submit #735718 | TOTOLINK LR350 LR350 V9.3.5u.6369_B20220309 Buffer Overflow) third-party-advisory

lavender-bicycle-a5a.notion.site/...066a8fb?source=copy_link exploit

www.totolink.net/ product

cve.org (CVE-2026-1155)

nvd.nist.gov (CVE-2026-1155)

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