CVE-2025-11339 - CVE House
Back to Database
Status published High CVE-2025-11339

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

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

THREAT MONITOR

Am I Vulnerable?

Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2025-11339

Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • sheratan (VulDB User)

References

More from D-Link

View All →
CVE-2025-9938
D-Link DI-8400 yyxz.asp yyxz_dlink_asp stack-based overflow
High 8.7
CVE-2025-9769
D-Link DI-7400G+ mng_platform.asp sub_478D28 command injection
Low 2.4
CVE-2025-9752
D-Link DIR-852 SOAP Service soap.cgi soapcgi_main os command injection
Medium 6.9
CVE-2025-9745
D-Link DI-500WF jhttpd version_upgrade.asp os command injection
Medium 5.1
CVE-2025-9727
D-Link DIR-816L soap.cgi soapcgi_main os command injection
Medium 5.3

Affected Vendor

Affected Software

DI-7100G C1
Vulnerable Versions:
20250928

Timeline

Official Publish: October 6th, 2025
Last Modified: October 6th, 2025
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R

Weaknesses (CWE)

CWE-120 CWE-119

MITRE ATT&CK TTPs

T1203 Exploitation for Client Execution
Execution
T1068 Exploitation for Privilege Escalation
Privilege Escalation
T1055 Process Injection
Defense Evasion
T1105 Ingress Tool Transfer
Command and Control