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CVE-2025-11339

D-Link DI-7100G C1 jhttpd hi_block.asp sub_4BD4F8 buffer overflow

Published: Oct 6, 2025Updated: Nov 19, 2025 Sources: CVE List NVD BDUCWE-119
NVD MITRE
8.8CVSSHIGH
EPSS Score
0.9%
Top 45.6%
CISA KEV
Not in KEV
Exploits
1 Known
Remediation
Patch Available

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.

CVSS Vector Breakdown

AV:NAC:LPR:LUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

CWE-119CWE-120

Affected Products

DI-7100G C1D-LinkNetworking Infrastructure
DI-7100GD-Link Corp.Networking Infrastructure
di-7100g c1 firmwaredlinkNetworking Infrastructure
d-linkcommercialTWNetworking Infrastructure
d-link corp.commercialTWNetworking Infrastructureaka d-link corporation, d-link international
dlinkcommercialTWNetworking Infrastructure

Exploitability

1 exploit source identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available
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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

2 techniques
Initial Access
Privilege Escalation
View detailed technique mapping

References

https://vuldb.com/?id.327222
vuldb.com
https://vuldb.com/?ctiid.327222
vuldb.com
https://vuldb.com/?submit.664635
vuldb.com
and 4 more references View all →

Timeline

Published
Oct 6, 2025
Last Updated
Nov 19, 2025

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