Vulnerability record · CVE-2025-11338 · published 6 October 2025

CVE-2025-11338: Dlink di-7100g c1 firmware memory buffer overflow vulnerability

Dlink · Di 7100g C1 Firmware

A flaw has been found in D-Link DI-7100G C1 up to 20250928. This vulnerability affects the function sub_4C0990 of the file /webchat/login.cgi of the component jhttpd. Executing manipulation of the argument openid can lead to buffer overflow. It is possible to launch the attack remotely. The exploit has been published and may be used.

7.4 CVSS 4.0 High EPSS 1.00% · top 38.8% CWE-119 · Memory buffer overflowCWE-120 · Classic buffer overflow

7.4CVSS 4.0 base score, v2 9.0

1.00%EPSS exploitation probability, 30 days

NoNot in CISA KEV

1Affected product versions listed by NVD

5References

17 Jun 2026Last modified by NVD

Description

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/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:

Affected products

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

Di 7100g C1 Firmware Dlink

References

Link	Tags
https://vuldb.com/?ctiid.327221	Permissions RequiredVDB Entry
https://vuldb.com/?id.327221	Third Party AdvisoryVDB Entry
https://vuldb.com/?submit.664619	Third Party AdvisoryVDB Entry
https://www.dlink.com/	Product
https://www.yuque.com/jh0ng/vmpda6/kggo2ngrcphzvwml	Permissions Required

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2025-11338), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.