CVE-2025-11339

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

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.

Affected

D-Link · DI-7100G C1

CVSS v4.0 VULDB

7.4 HIGHCVSS: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

CVSS v3.1 VULDB

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

CVSS v2.0 VULDB

9.0 HIGHAV:N/AC:L/Au:S/C:C/I:C/A:C

EPSS

0.96% chance of exploitation in the next 30 days, 61st percentile

Published

2025-10-06

Proof-of-concept exploits (1)

• https://www.yuque.com/jh0ng/vmpda6/zr11zfssl8h74bn3#Wjajr

Security advisories

• https://vuldb.com/?id.327222
• https://vuldb.com/?submit.664635
• https://www.dlink.com

References

• CVE Record
• NVD entry