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Fencer Intel
critical 9.8

CVE-2017-17411 in the critical feed json

This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Linksys WVBR0.

published 8y ago modified 4mo ago also EUVD-2017-8576

cvss
9.8
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
87.9%
EPSS 87.9% chance of exploitation in 30 days, percentile 99.7%
public exploits
3
Metasploit and Exploit-DB

Summary

This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Linksys WVBR0. Authentication is not required to exploit this vulnerability. The specific flaw exists within the web management portal. The issue lies in the lack of proper validation of user data before executing a system call. An attacker could leverage this vulnerability to execute code with root privileges. Was ZDI-CAN-4892.

Patch / fix

  • linksys wvbr0_firmware 1.0.41

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Timeline

  1. First public exploit (Metasploit exploit/linux/http/linksys_wvbr0_user_agent_exec_noauth)
  2. Published

Exploit prediction

87.93% chance of exploitation in the next 30 days, higher than 99.7% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

CVSS scores

assigned by version score vector
NVD 3.0 9.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 10.0 AV:N/AC:L/Au:N/C:C/I:C/A:C

Affected products

  • Linksys Linksys WVBR0

Classification

Weakness
  • CWE-78 Improper Neutralization of Special Elements used in an OS Command

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.