CVE-2025-11339

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

HIGH
8.8
CVSS Score
Published: October 6, 2025 at 04:32 PM UTC
Updated: October 9, 2026 at 10:10 AM UTC
2 products affected across 1 vendorDi 7100G C1 FirmwareDI-7100G· also runs on 1 platform

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Severity
HIGH8.8
Exploit prediction
EPSS 1.0%
SSVC
No known exploit

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Runs on — not affected

The affected product only carries this flaw when running on these platforms. The platforms themselves are not vulnerable.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (6)

VDB EntryTechnical DescriptionThird Party Advisory
Source: cverecord
https://vuldb.com/?id.327222
SignaturePermissions RequiredVDB Entry
Source: cverecord
https://vuldb.com/?ctiid.327222
Third Party AdvisoryVDB Entry
Source: cverecord
https://vuldb.com/?submit.664635
RelatedPermissions Required
Source: cverecord
https://www.yuque.com/jh0ng/vmpda6/zr11zfssl8h74bn3
ExploitPermissions Required
Source: cverecord
https://www.yuque.com/jh0ng/vmpda6/zr11zfssl8h74bn3#Wjajr
Product
Source: cverecord
https://www.dlink.com/

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.8HIGHVulDB
Vector?

Quick Info

StatusANALYZED
CWE
CWE-120CWE-119

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