CVE-2026-15701
CRITICALTotolink NR1800X lighttpd formLogout.htm Form_Logout stack-based overflow
Title source: cnaDescription
A weakness has been identified in Totolink NR1800X 9.1.0u.6279_B20210910. Affected by this issue is the function Form_Logout of the file /formLogout.htm of the component lighttpd. This manipulation of the argument Host causes stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit has been made available to the public and could be used for attacks.
References (6)
Core 6
Core References
Third Party Advisory third-party-advisory
Submit #856136 | TOTOLINK TOTOLINK NR1800X V9.1.0u.6279_B20210910 V9.1.0u.6279_B20210910 Buffer Overflow
https://vuldb.com/submit/856136
Exploit exploit
issue-tracking
https://github.com/fu9-dotom/cve/issues/1
Product product
https://www.totolink.net/
Vdb Entry, Technical Description vdb-entry
technical-description
VDB-378248 | Totolink NR1800X lighttpd formLogout.htm Form_Logout stack-based overflow
https://vuldb.com/vuln/378248
Signature, Permissions Required signature
permissions-required
VDB-378248 | CTI Indicators (IOB, IOC, IOA)
https://vuldb.com/vuln/378248/cti
Third Party Advisory third-party-advisory
CVE-2026-15701 | CVE Analysis and Report
https://vuldb.com/cve/CVE-2026-15701
Scores
CVSS v3
9.8
EPSS
0.0078
EPSS Percentile
52.5%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
yes
Technical Impact
total
Details
CWE
CWE-119
CWE-121
Status
published
Products (1)
Totolink/NR1800X
9.1.0u.6279_B20210910
Published
Jul 14, 2026
Tracked Since
Jul 14, 2026