CVE-2025-7602: D-Link DI-8100 · Stack-based Buffer Overflow
Affects D-Link DI-8100Source CVE Database V5
Not known to be exploited · CVSS 8.6 High.
Data as of 25 Oct 2026, 19:02 UTC
- EPSS
- 1.3% chance of exploitation in 30 days – higher than 70% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:PExploitation evidence
Disclosed: evidence found.
CVE published 14 Jul 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-25.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
GitHubd-link/DI-8100pkg:github/d-link/DI-8100Other threats | Affected
| Fixed in– |
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
1. Immediate network segmentation: Isolate affected D-Link DI-8100 devices from critical network segments to limit potential lateral movement. 2. Access control: Restrict management interfaces of the affected routers to trusted IP addresses and use VPNs or secure tunnels for administrative access. 3. Monitor network traffic: Implement IDS/IPS rules to detect anomalous HTTP requests targeting /arp_sys.asp or unusual traffic patterns indicative of exploitation attempts. 4. Firmware updates: Engage with D-Link support channels to obtain any available patches or firmware updates addressing this vulnerability. 5. Incident response readiness: Prepare to detect and respond to potential exploitation by enabling detailed logging on routers and connected network devices. 6. Privilege management: Since exploitation requires high privileges, review and harden device access credentials and administrative policies to prevent unauthorized privilege escalation. 7. Vendor communication: Maintain active communication with D-Link for updates and advisories related to this vulnerability. 8. Network hardening: Disable unnecessary services and interfaces on the router to reduce the attack surface.
Description
A vulnerability was found in D-Link DI-8100 16.07.26A1 and classified as critical. This issue affects some unknown processing of the file /arp_sys.asp of the component HTTP Request Handler. The manipulation leads to stack-based buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.