Buffer overflow in D-link Di-7100g C1
CVE-2025-11339
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. T…
Vulnerability class: Buffer Overflow
EPSS: 0.009 (54.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- D-link Di-7100g C1 — versions 20250928
- Dlink Di-7100g_c1
- Dlink Di-7100g_c1_firmware — versions 2025-09-28
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cna@vuldb.com (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- cna@vuldb.com (signature, Permissions Required, permissions-required, VDB Entry)
- cna@vuldb.com (VDB Entry, Third Party Advisory, third-party-advisory)
- cna@vuldb.com (Permissions Required, related)
- cna@vuldb.com (Permissions Required, exploit)
- cna@vuldb.com (Product, product)
Frequently asked questions
- What is CVE-2025-11339?
- CVE-2025-11339 is a high-severity vulnerability in D-link Di-7100g C1, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.8/10. Published 2025-10-06.
- How severe is CVE-2025-11339?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2025-11339 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.