CVE-2026-1328
HIGHTotolink NR1800X 9.1.0u.6279_B20210910 - Buffer Overflow via setWizardCfg POST Parameter
Title source: llmDescription
A vulnerability was detected in Totolink NR1800X 9.1.0u.6279_B20210910. Impacted is the function setWizardCfg of the file /cgi-bin/cstecgi.cgi of the component POST Request Handler. Performing a manipulation of the argument ssid results in buffer overflow. The attack may be initiated remotely. The exploit is now public and may be used.
References (5)
Core 5
Core References
Third Party Advisory, VDB Entry vdb-entry
technical-description
https://vuldb.com/?id.342304
Permissions Required, VDB Entry signature
permissions-required
https://vuldb.com/?ctiid.342304
Third Party Advisory, VDB Entry third-party-advisory
https://vuldb.com/?submit.735792
Exploit, Third Party Advisory exploit
https://lavender-bicycle-a5a.notion.site/TOTOLINK-NR1800X-setWizardCfg-2e453a41781f80568a54c9368082fbe9?source=copy_link
Product product
https://www.totolink.net/
Scores
CVSS v3
8.8
EPSS
0.0077
EPSS Percentile
50.7%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
total
Details
CWE
CWE-119
CWE-120
Status
published
Products (1)
totolink/nr1800x_firmware
9.1.0u.6279_b20210910
Published
Jan 22, 2026
Tracked Since
Feb 18, 2026