CVE-2026-7546
CRITICALTotolink NR1800X lighttpd find_host_ip stack-based overflow
Title source: cnaDescription
A security vulnerability has been detected in Totolink NR1800X 9.1.0u.6279_B20210910. The impacted element is the function find_host_ip of the component lighttpd. Such manipulation of the argument Host leads to stack-based buffer overflow. The attack can be executed remotely. The exploit has been disclosed publicly and may be used.
References (5)
Core 5
Core References
Vdb Entry, Technical Description vdb-entry
technical-description
VDB-360357 | Totolink NR1800X lighttpd find_host_ip stack-based overflow
https://vuldb.com/vuln/360357
Signature, Permissions Required signature
permissions-required
VDB-360357 | CTI Indicators (IOB, IOC, IOA)
https://vuldb.com/vuln/360357/cti
Third Party Advisory third-party-advisory
Submit #804404 | Totolink C834FR-1C NR1800X 内存损坏
https://vuldb.com/submit/804404
Product product
https://www.totolink.net/
Scores
CVSS v3
9.8
EPSS
0.0075
EPSS Percentile
50.1%
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
May 01, 2026
Tracked Since
May 01, 2026