by Kastro
Paper/Archive/CVE-2026-7719

CVE-2026-7719

Totolink WA300 — Totolink WA300 POST Request cstecgi.cgi loginauth buffer overflow

EPSS 0.6%public exploitCVSS 9.8
critical.is priorityof 100
49
CVSS 9.8 (CNA)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 49.7.497 × 209.9Exploit: SSVC poc+1010.0SSVC exploitation: poc+100.0
Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource
WA3005.2cu.7112_B20190227–CNA

Scores by source

VulDB (CNA)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
VulDB (CNA)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
VulDB (CNA)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
CISA ADPSSVCExploitation: poc · Automatable: yes · Technical impact: total

References

writeupvuldb.com/vuln/360895refvuldb.com/vuln/360895/ctiwriteupvuldb.com/submit/807197exploitlavender-bicycle-a5a.notion.site/TOTOLINK-WA300-loginAuth-34553a41781f8050b8ffc9e90a103cd5reftotolink.net