Home

Description

A security flaw has been discovered in Totolink WA300 5.2cu.7112_B20190227. The affected element is the function loginauth of the file /cgi-bin/cstecgi.cgi of the component POST Request Handler. The manipulation of the argument http_host results in buffer overflow. The attack may be launched remotely. The exploit has been released to the public and may be used for attacks.

PUBLISHED Reserved 2026-05-03 | Published 2026-05-04 | Updated 2026-05-05 | 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

Buffer Overflow

Memory Corruption

Product status

5.2cu.7112_B20190227
affected

Timeline

2026-05-03:Advisory disclosed
2026-05-03:VulDB entry created
2026-05-03:VulDB entry last update

Credits

wxhwxhwxh_mie (VulDB User) reporter

References

vuldb.com/vuln/360895 (VDB-360895 | Totolink WA300 POST Request cstecgi.cgi loginauth buffer overflow) vdb-entry technical-description

vuldb.com/vuln/360895/cti (VDB-360895 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/submit/807197 (Submit #807197 | Totolink WA300 WA300 V5.2cu.7112_B20190227 Buffer Overflow) third-party-advisory

lavender-bicycle-a5a.notion.site/...781f8050b8ffc9e90a103cd5 exploit

www.totolink.net/ product

cve.org (CVE-2026-7719)

nvd.nist.gov (CVE-2026-7719)

Download JSON