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.
Affected products
dlink: di-7100g c1 firmware; dlink: di-7100g c1
References6
- vuldb.com/?ctiid.327222 Permissions RequiredVDB Entry
- vuldb.com/?id.327222 Third Party AdvisoryVDB Entry
- vuldb.com/?submit.664635 Third Party AdvisoryVDB Entry
- www.dlink.com/ Product
- www.yuque.com/jh0ng/vmpda6/zr11zfssl8h74bn3 Permissions Required
- www.yuque.com/jh0ng/vmpda6/zr11zfssl8h74bn3#Wjajr Permissions Required
Metrics
- CVSS 3.1
-
8.8
HIGH
Score source: CNA
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 4.0
-
7.4
HIGH
Score source: CNA
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 — exploit probability
- 1% percentile: 62 · as of 9 November 2026
- CWE
- CWE-119CWE-120
Could this be exploited in your environment?
A patch closes the known hole. A penetration test shows what an attacker can still reach — with proof.