Home/CVE/A vulnerability classified as critical was found in D-Link DI-8100 1.0. This vulnerability affects the function sprintf
CVE

CVE-2025-7911

A vulnerability classified as critical was found in D-Link DI-8100 1.0. This vulnerability affects the function sprintf

A vulnerability classified as critical was found in D-Link DI-8100 1.0. This vulnerability affects the function sprintf of the file /upnp_ctrl.asp of the component jhttpd. The manipulation of the argument remove_ext_proto/remove_ext_port leads to stack-based buffer overflow.

The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.

HIGH · CVSS 8.8 EPSS 0.00865
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-119Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE-121Stack-based Buffer Overflow
▤

Affected Products & Versions

1
dlink di-8100 firmwareall versions
▣

Scoring & Timeline

8.8
HIGH · CVSS v3.1 · cna@vuldb.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD20 Jul 2025 · 11:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
poc
Automatable
no
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

6
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://github.com/buobo/bo-s-CVE/blob/main/DI-8100/upnp_ctrl_asp.mdBroken Link
https://vuldb.com/?ctiid.317026Permissions RequiredVDB Entry
https://vuldb.com/?id.317026Third Party AdvisoryVDB Entry
https://vuldb.com/?submit.618640Third Party AdvisoryVDB Entry
https://vuldb.com/?submit.618641Third Party AdvisoryVDB Entry
https://www.dlink.com/Product
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