High 8.8Published Oct 6, 2025

CVE-2025-11339D-Link DI-7100G C1 jhttpd hi_block.asp sub_4BD4F8 buffer overflow

Updated under an hour ago (Oct 27, 2026, 5:30 AM ET)

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It affects D-Link DI-7100G C1 and 1 other product. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for D-Link DI-7100G C1

Exploited in the last 30 days

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.

CVSS: 8.8 HIGH (v3.1, CNA)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
Weakness (CWE): CWE-120, CWE-119
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulDB
NVD analysis: Analyzed
Record last updated: Oct 6, 2025
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

D-Link DI-7100G C1 d_link:di_7100g_c1 (from the name)	20250928	CNA record
dlink di-7100g_c1_firmware dlink:di-7100g_c1_firmware	2025-09-28	NVD

References

References

https://vuldb.com/?id.327222	vdb-entry, technical-description, third-party-advisory
https://vuldb.com/?ctiid.327222	signature, permissions-required, vdb-entry
https://vuldb.com/?submit.664635	third-party-advisory, vdb-entry
https://www.yuque.com/jh0ng/vmpda6/zr11zfssl8h74bn3	related, permissions-required
https://www.yuque.com/jh0ng/vmpda6/zr11zfssl8h74bn3#Wjajr	exploit, permissions-required
https://www.dlink.com/	product

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.