CVE-2025-11339

Name: CVE-2025-11339
Creator: NVD / NIST
Published: 2025-10-06T17:16:04.683+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.4/10EPSS 0.88%

Last modified Jun 17, 2026

CVE-2025-11339 is a high-severity vulnerability rated 7.4/10 on the CVSS scale. A vulnerability has been found in D-Link DI-7100G C1 up to 20250928. This issue affects the function sub_4BD4F8 of the file /webchat/hi_block.asp of the component jhttpd. EPSS estimates a 0.88% chance of exploitation in the next 30 days.

Description

A vulnerability has been found in D-Link DI-7100G C1 up to 20250928. This issue affects the function sub_4BD4F8 of the file /webchat/hi_block.asp of the component jhttpd. The manipulation of the argument popupId leads to buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.

Metrics

CVSS 3.1

8.8/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS 4.0

7.4/10

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:X/V:X/RE:X/U:X

EPSS Probability

0.88%

54.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Dlink	Di-7100g C1 Firmware	2025-09-28

References

https://vuldb.com/?ctiid.327222Permissions Required, VDB Entry
https://vuldb.com/?id.327222Third Party Advisory, VDB Entry
https://vuldb.com/?submit.664635Third Party Advisory, VDB Entry
https://www.dlink.com/Product
https://www.yuque.com/jh0ng/vmpda6/zr11zfssl8h74bn3Permissions Required
https://www.yuque.com/jh0ng/vmpda6/zr11zfssl8h74bn3#WjajrPermissions Required

Timeline

Published: Oct 6, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-11339?

How severe is CVE-2025-11339?

CVE-2025-11339 has a CVSS score of 7.4/10 (HIGH severity). The EPSS model estimates a 0.88% probability of exploitation in the next 30 days.

How do I fix CVE-2025-11339?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-11339?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST