CVE-2017-8220
CVE-2017-8220 is a critical-severity vulnerability in Tp-link C2 Firmware with a CVSS 3.x base score of 9.9. Its EPSS exploit-prediction score of 37% places it in the 98th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-78.
Key facts
- Severity: Critical (CVSS 3.x base score 9.9)
- CVSS v2: 9.0
- EPSS exploit prediction: 37% (98th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-78
- Affected product: Tp-link C2 Firmware
- Published:
- Last modified:
Description
TP-Link C2 and C20i devices through firmware 0.9.1 4.2 v0032.0 Build 160706 Rel.37961n allow remote code execution with a single HTTP request by placing shell commands in a "host=" line within HTTP POST data.
Frequently asked questions
- What is CVE-2017-8220?
- TP-Link C2 and C20i devices through firmware 0.9.1 4.2 v0032.0 Build 160706 Rel.37961n allow remote code execution with a single HTTP request by placing shell commands in a "host=" line within HTTP POST data.
- How severe is CVE-2017-8220?
- CVE-2017-8220 has a CVSS 3.x base score of 9.9, rated critical severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2017-8220 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 37% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2017-8220?
- CVE-2017-8220 primarily affects Tp-link C2 Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2017-8220?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2017-8220 published?
- CVE-2017-8220 was published on 2017-04-25 and last updated on 2026-06-17.
References
Affected products (2)
- cpe:2.3:o:tp-link:c2_firmware:*:rel.37961n:*:*:*:*:*:*
- cpe:2.3:o:tp-link:c20i_firmware:*:rel.37961n:*:*:*:*:*:*
More vulnerabilities in Tp-link C2 Firmware
- CVE-2017-8218 — Critical (CVSS 9.8): vsftpd on TP-Link C2 and C20i devices through firmware 0.9.1 4.2 v0032.0 Build 160706 Rel.37961n has a backdoor admin…
- CVE-2017-8219 — Medium (CVSS 6.5): TP-Link C2 and C20i devices through firmware 0.9.1 4.2 v0032.0 Build 160706 Rel.37961n allow DoSing the HTTP server via…
- CVE-2017-8217 — Medium (CVSS 5.3): TP-Link C2 and C20i devices through firmware 0.9.1 4.2 v0032.0 Build 160706 Rel.37961n have too permissive iptables…
All CVEs affecting Tp-link C2 Firmware →
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