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Vulnerability record · CVE-2026-15701 · published 14 July 2026

CVE-2026-15701: Memory buffer overflow vulnerability

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.

8.9 CVSS 4.0 High EPSS 1.1% · top 35.8% CWE-119 · Memory buffer overflowCWE-121 · Stack-based buffer overflow Deferred
8.9CVSS 4.0 base score, v2 10.0
1.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
6References
15 Jul 2026Last modified by NVD

Description

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.

CVSS: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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

LinkTags
https://github.com/fu9-dotom/cve/issues/1
https://vuldb.com/cve/CVE-2026-15701
https://vuldb.com/submit/856136
https://vuldb.com/vuln/378248
https://vuldb.com/vuln/378248/cti
https://www.totolink.net/

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Source: NIST National Vulnerability Database (record CVE-2026-15701), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.