Multiple exploitable stack-based buffer overflow vulnerabilities exist in the boa formFilter functionality of X2000R…
totolink · Totolink
A stack-based buffer overflow in the formFilter functionality of the boa web server in Totolink X2000R firmware can be triggered through the vpnUser parameter. An attacker who holds valid authenticated credentials and can send a specially crafted HTTP request to the device can achieve arbitrary code execution, with no user interaction required.
Multiple exploitable stack-based buffer overflow vulnerabilities exist in the boa formFilter functionality of X2000R (version(s): TOTOLINK-X2000R-Gh-V1.0.0-B20250421.1327). A specially crafted HTTP request can lead to arbitrary code execution. An attacker can make an authenticated HTTP request to trigger these vulnerabilities. This vulnerability deals with the vpnUser parameter.
- Exploited
- Not confirmed
- Reports
- 0
- Tactics
- 0/15
Exploitation timelineDated milestones for a CVE: when it was disclosed, when exploit code became public, when exploitation was confirmed, and when threat reports named it.
Disclosed on 20 Oct 2026. No public exploit code or confirmed exploitation is recorded.
MITRE ATT&CKA public catalogue of the techniques attackers use, maintained by MITRE. Patchfirst uses it to describe what attackers do with a vulnerability. techniques
No techniques linkedNo ATT&CK techniques are linked to this CVE yet. MITRE CTID has not mapped it, and no report passage in the corpus ties it to a technique.
What security researchers reported
Not named in any threat report yetAlso mentioned in 6 community threat pulses (AlienVault OTX)
Weaker evidencePulses are indicator collections that anyone can publish. A mention is not confirmation of exploitation.
- Known_Cve | Oct 29, 2026 | Part 1/328 Oct 2026
- Known_Cve | Oct 28, 2026 | Part 1/327 Oct 2026
- Known_Cve | Oct 27, 2026 | Part 1/326 Oct 2026
- Known_Cve | Oct 24, 2026 | Part 2/323 Oct 2026
- Known_Cve | Oct 23, 2026 | Part 2/322 Oct 2026
- Known_Cve | Oct 22, 2026 | Part 3/421 Oct 2026