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Vulnerability record · CVE-2018-10996 · published 12 May 2018

CVE-2018-10996: D-link dir-629-b firmware memory buffer overflow vulnerability

D Link · Dir 629 B Firmware

The weblogin_log function in /htdocs/cgibin on D-Link DIR-629-B1 devices allows attackers to execute arbitrary code or cause a denial of service (buffer overflow) via a session.cgi?ACTION=logout request involving a long REMOTE_ADDR environment variable.

9.8 CVSS 3.0 Critical EPSS 5.1% · top 7.9% CWE-119 · Memory buffer overflow
9.8CVSS 3.0 base score, v2 10.0
5.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

The weblogin_log function in /htdocs/cgibin on D-Link DIR-629-B1 devices allows attackers to execute arbitrary code or cause a denial of service (buffer overflow) via a session.cgi?ACTION=logout request involving a long REMOTE_ADDR environment variable.

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.securityfocus.com/bid/104277 Third Party AdvisoryVDB Entry
https://github.com/kgsdy/D-Link-DIR-629/blob/master/D-Link-DIR-629-B1.md ExploitThird Party Advisory
http://www.securityfocus.com/bid/104277 Third Party AdvisoryVDB Entry
https://github.com/kgsdy/D-Link-DIR-629/blob/master/D-Link-DIR-629-B1.md ExploitThird Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2018-10996), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.