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CVE-2025-70314VulnerabilityPublished

CVE-2025-70314: 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
0.5% chance of exploitation in 30 days – higher than 43% 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 12 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

1. Immediate identification and inventory of all webfsd 1.21 instances within the network, including embedded and legacy systems. 2. Restrict network access to these instances by implementing firewall rules or network segmentation to limit exposure to untrusted networks. 3. Deploy web application firewalls (WAFs) or intrusion prevention systems (IPS) configured to detect and block malformed HTTP requests targeting the filename parameter. 4. Monitor server logs and network traffic for unusual or suspicious requests that could indicate exploitation attempts. 5. 6. Implement input validation and sanitization at the application or proxy level to prevent buffer overflow attempts. 7. Conduct regular security assessments and penetration testing focused on legacy and embedded systems to identify similar vulnerabilities. 8. Educate IT and security teams about the risks associated with legacy software and the importance of timely patching and network controls.

Description

webfsd 1.21 is vulnerable to a Buffer Overflow via a crafted request. This is due to the filename variable

References

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