RCE in Linksys Wvbr0
CVE-2017-17411
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.
Vulnerability class: Command Injection (OS Command Injection)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.879 (99.8th percentile), scored .
High probability of exploitation in the next 30 days — patch promptly. 100th percentile — 99.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.827 · newest: 0.879 · change: +0.052
Affected products
- Linksys Wvbr0 — versions WVBR0
- Linksys Wvbr0
- Linksys Wvbr0 Firmware
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.securityfocus.com/bid/102212 (VDB Entry, Third Party Advisory, vdb-entry)
- github.com/rapid7/metasploit-framework/pull/9336 (Exploit, Third Party Advisory)
- www.exploit-db.com/exploits/43363/ (Exploit, VDB Entry, Third Party Advisory, exploit)
- zerodayinitiative.com/advisories/ZDI-17-973 (VDB Entry, Third Party Advisory)
- www.exploit-db.com/exploits/43429/ (Exploit, VDB Entry, Third Party Advisory, exploit)
Frequently asked questions
- What is CVE-2017-17411?
- CVE-2017-17411 is a critical-severity vulnerability in Linksys Wvbr0, classified under OS Command Injection. CVSS score: 9.8/10. Published 2017-12-21.
- How severe is CVE-2017-17411?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2017-17411 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.