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Fencer Intel
medium 5.0

CVE-2014-3427 json

CRLF injection vulnerability in Yealink VoIP Phones with firmware 28.72.0.2 allows remote attackers to inject arbitrary HTTP headers and co…

published 12y ago modified 4mo ago also EUVD-2014-3440

cvss
5.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
5.2%
EPSS 5.2% chance of exploitation in 30 days, percentile 92%
public exploits
1
Exploit-DB

Summary

CRLF injection vulnerability in Yealink VoIP Phones with firmware 28.72.0.2 allows remote attackers to inject arbitrary HTTP headers and conduct HTTP response splitting attacks via the model parameter to servlet.

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Timeline

  1. First public exploit (EDB-39334)
  2. Published

Exploit prediction

5.20% chance of exploitation in the next 30 days, higher than 92% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • EDB-39334 Yealink VoIP Phones - '/servlet' HTTP Response Splitting webapps, 2014-06-12
  • packetstormsecurity.com http://packetstormsecurity.com/files/127081/Yealink-VoIP-Phones-XSS-CRLF-Injection.html referenced PoC, tagged "exploit" by a source, unverified
  • seclists.org http://seclists.org/fulldisclosure/2014/Jun/74 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:P/A:N

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.