CVE-2025-55583: n/a
Source CVE Database V5
Not known to be exploited · CVSS 9.8 Critical.
Data as of 26 Oct 2026, 07:57 UTC
- EPSS
- 6.9% chance of exploitation in 30 days – higher than 94% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 28 Aug 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 2026-10-26.
What to do
AI-suggested
Immediate mitigation steps include isolating affected devices from critical network segments and restricting remote management access to trusted IP addresses only. Network administrators should monitor router logs and network traffic for unusual activity indicative of exploitation attempts. Since no official patches or firmware updates are currently available, organizations should contact D-Link support for guidance and watch for firmware updates addressing this vulnerability. As a temporary workaround, disabling the vulnerable /dws/api/UploadFile endpoint or blocking access to it via firewall rules can reduce exposure. Implementing network segmentation to limit the impact of a compromised router and deploying intrusion detection/prevention systems (IDS/IPS) to detect command injection patterns are recommended. Organizations should also consider replacing vulnerable routers with models that have confirmed security updates if patching is delayed. Regularly updating router firmware and maintaining an asset inventory to identify affected devices are critical long-term practices.
Description
D-Link DIR-868L B1 router firmware version FW2.05WWB02 contains an unauthenticated OS command injection vulnerability in the fileaccess.cgi component. The endpoint /dws/api/UploadFile accepts a pre_api_arg parameter that is passed directly to system-level shell execution functions without sanitization or authentication. Remote attackers can exploit this to execute arbitrary commands as root via crafted HTTP requests.