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CVE-2025-70998VulnerabilityPublished

CVE-2025-70998: n/a

Source CVE Database V5

0

Not known to be exploited · CVSS 9.8 Critical.

Data as of 26 Oct 2026, 06:26 UTC

CVSS 3.1 base score
9.8Critical
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.4% chance of exploitation in 30 days – higher than 42% 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:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 18 Feb 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq 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

To mitigate this vulnerability, organizations should immediately audit their network for the presence of UTT HiPER 810 / nv810v4 routers running firmware version 1.5.0-140603. The telnet service should be disabled if not strictly necessary; if telnet must be used, default credentials must be changed to strong, unique passwords. Network access to telnet ports should be restricted using firewall rules and network segmentation to limit exposure. Monitoring and logging of telnet access attempts should be implemented to detect suspicious activity. Where possible, upgrading to a newer firmware version without this vulnerability or replacing affected devices with more secure alternatives is recommended once patches become available. Organizations should also consider deploying network intrusion detection systems (NIDS) to identify exploitation attempts and conduct regular security assessments of network devices. Vendor engagement is critical to obtain patches or official guidance. Finally, educating network administrators about the risks of default credentials and insecure protocols is essential to prevent similar issues.

Description

UTT HiPER 810 / nv810v4 router firmware v1.5.0-140603 was discovered to contain insecure default credentials for the telnet service, possibly allowing a remote attacker to gain root access via a crafted script.

References

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