CVE-2025-22938: n/a
Source CVE Database V5
Not known to be exploited · CVSS 9.8 Critical.
Data as of 25 Oct 2026, 19:02 UTC
- EPSS
- 0.5% chance of exploitation in 30 days – higher than 46% 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 31 Mar 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
AI-suggested
Given the absence of official patches, European organizations and ISPs should immediately implement compensating controls. These include changing all default passwords on Adtran 411 ONT devices to strong, unique credentials before deployment or as soon as possible in existing installations. Network segmentation should be enforced to isolate ONTs from critical internal networks and restrict management access to trusted administrative hosts only. Deploying network-based intrusion detection and prevention systems (IDS/IPS) to monitor and block unauthorized access attempts targeting ONTs is recommended. ISPs should also conduct comprehensive asset inventories to identify all affected devices and prioritize remediation. Where feasible, disabling remote management interfaces or restricting them via VPN or secure management channels can reduce exposure. Regular monitoring of network traffic for anomalies and unusual login attempts will aid early detection of exploitation attempts. Finally, organizations should maintain close communication with Adtran for updates on patches or firmware upgrades addressing this vulnerability and plan timely deployment once available.
Description
Adtran 411 ONT L80.00.0011.M2 was discovered to contain weak default passwords.