Vulnerability · Published Oct 6, 2025 · Assigned by VulDB
CVE-2025-11339D-Link DI-7100G C1 jhttpd hi_block.asp sub_4BD4F8 buffer overflow
High 8.8
In plain English
A high-severity buffer overflow in DI-7100G C1 from D-Link. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.0% (higher than 62% of all known vulnerabilities).
Severity (CVSS 3.1)8.8High
Exploit odds (30 days)1.0%top 37.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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 (as reported)
| Vendor | Product | Versions |
|---|---|---|
| D-Link | DI-7100G C1 | 20250928 |
Weakness: CWE-120, CWE-119 · 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
References
- VDB-327222 | D-Link DI-7100G C1 jhttpd hi_block.asp sub_4BD4F8 buffer overflow vdb-entry, technical-description
- VDB-327222 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
- Submit #664635 | D-Link DI-7100G C1 Buffer Overflow third-party-advisory
- https://www.yuque.com/jh0ng/vmpda6/zr11zfssl8h74bn3 related
- https://www.yuque.com/jh0ng/vmpda6/zr11zfssl8h74bn3#Wjajr exploit
- https://www.dlink.com/ product