CVE-2025-7911 Details
Description
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.
A critical stack-based buffer overflow vulnerability has been identified in the D-Link DI-8100 router, specifically in version 1.0. The issue arises in the jhttpd component within the UPnP control ASP file. The vulnerability is triggered by manipulating the remove_ext_proto or remove_ext_port parameters with excessively long strings, which the sprintf function improperly handles. This exploitation can be initiated remotely, potentially leading to arbitrary code execution.
Metrics
CVSS 4.0 Severity and Vector Strings:
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Jul 21, 2025References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://github.com/buobo/bo-s-CVE/blob/main/DI-8100/upnp_ctrl_asp.md | CISA-ADP | Broken Link |
| https://github.com/buobo/bo-s-CVE/blob/main/DI-8100/upnp_ctrl_asp.md | [email protected] | Broken Link |
| https://vuldb.com/?ctiid.317026 | [email protected] | Permissions RequiredVDB Entry |
| https://vuldb.com/?id.317026 | [email protected] | Third Party AdvisoryVDB Entry |
| https://vuldb.com/?submit.618640 | [email protected] | Third Party AdvisoryVDB Entry |
| https://vuldb.com/?submit.618641 | [email protected] | Third Party AdvisoryVDB Entry |
| https://www.dlink.com/ | [email protected] | Product |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-119 | Improper Restriction of Operations within the Bounds of a Memory Buffer | [email protected] |
| CWE-121 | Stack-based Buffer Overflow | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| dlink di-8100 firmware | 1.0 |
CPE
Remediation
| |
| dlink di-8100 | All versions |
CPE
Remediation
| |
Change History
5 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Aug 8, 2025 | Initial Analysis | [email protected] |
| Jul 21, 2025 | CVE Modified | CISA-ADP |
| Jul 20, 2025 | New CVE Received | [email protected] |