CVE-2025-11339

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

Published Oct 6, 2025 CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2025-32557 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.
History
Type Values Removed Values Added
First Time appeared Dlink di-7100g C1
Dlink di-7100g C1 Firmware
CPEs cpe:2.3:h:dlink:di-7100g:-:*:*:*:*:*:*:*
cpe:2.3:o:dlink:di-7100g_firmware:2025-09-28c1:*:*:*:*:*:*:*
cpe:2.3:h:dlink:di-7100g_c1:-:*:*:*:*:*:*:*
cpe:2.3:o:dlink:di-7100g_c1_firmware:2025-09-28:*:*:*:*:*:*:*
Vendors & Products Dlink di-7100g
Dlink di-7100g Firmware
Dlink di-7100g C1
Dlink di-7100g C1 Firmware
Type Values Removed Values Added
First Time appeared Dlink
Dlink di-7100g
Dlink di-7100g Firmware
CPEs cpe:2.3:h:dlink:di-7100g:-:*:*:*:*:*:*:*
cpe:2.3:o:dlink:di-7100g_firmware:2025-09-28c1:*:*:*:*:*:*:*
Vendors & Products Dlink
Dlink di-7100g
Dlink di-7100g Firmware
Type Values Removed Values Added
First Time appeared D-link
D-link di-7100g C1
Vendors & Products D-link
D-link di-7100g C1
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title D-Link DI-7100G C1 jhttpd hi_block.asp sub_4BD4F8 buffer overflow
Weaknesses CWE-119
CWE-120
References
Metrics cvssV2_0

{'score': 9, 'vector': 'AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR'}

cvssV3_0

{'score': 8.8, 'vector': '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'}

cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R'}

cvssV4_0

{'score': 8.7, 'vector': '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulDB
Published
Updated
Oct 6, 2025, 5:16 PM
Reserved
Oct 5, 2025, 10:09 PM
Status
Analyzed
Published
Oct 6, 2025, 5:16 PM
Modified
Oct 9, 2026, 10:10 AM