What is the CVSS score of CVE-2017-17757?

CVE-2017-17757 has a CVSS 3.0 base score of 8.8 (High). CVSS vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 1.3%.

Is there a public PoC exploit available for CVE-2017-17757?

Yes, a public proof-of-concept exploit is available for CVE-2017-17757. Prioritise patching immediately. EPSS: 1.3%.

Tl Wvr450L Firmware CVE-2017-17757

HIGH

OS Command Injection (CWE-78)

2017-12-19 cve@mitre.org

TP-Link Command Injection Tl Wvr450L Firmware Tl Wvr458L Firmware Tl Wvr900L Firmware Tl Wvr1200L Firmware Tl Wvr1300L Firmware Tl Wvr1750L Firmware Tl Wvr2600L Firmware Tl Wvr4300L Firmware Tl War450L Firmware Tl War458L Firmware Tl War900L Firmware Tl War1200L Firmware Tl War1300L Firmware Tl War1750L Firmware Tl War2600L Firmware

8.8

CVSS 3.0 · NVD

Severity by source

NVD PRIMARY

8.8 HIGH

AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Dec 19, 2017 - 07:29 cve.org

HIGH 8.8

DescriptionCVE.org

TP-Link TL-WVR and TL-WAR devices allow remote authenticated users to execute arbitrary commands via shell metacharacters in the interface field of an admin/wportal command to cgi-bin/luci, related to the get_device_byif function in /usr/lib/lua/luci/controller/admin/wportal.lua in uhttpd.

AnalysisAI

TP-Link TL-WVR and TL-WAR devices allow remote authenticated users to execute arbitrary commands via shell metacharacters in the interface field of an admin/wportal command to cgi-bin/luci, related. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as OS Command Injection (CWE-78), which allows attackers to execute arbitrary operating system commands on the host. TP-Link TL-WVR and TL-WAR devices allow remote authenticated users to execute arbitrary commands via shell metacharacters in the interface field of an admin/wportal command to cgi-bin/luci, related to the get_device_byif function in /usr/lib/lua/luci/controller/admin/wportal.lua in uhttpd. Affected products include: Tp-Link Tl-Wvr450L Firmware, Tp-Link Tl-Wvr458L Firmware, Tp-Link Tl-Wvr900L Firmware, Tp-Link Tl-Wvr1200L Firmware, Tp-Link Tl-Wvr1300L Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Avoid passing user input to shell commands. Use language-specific APIs instead of shell execution. Apply strict input validation with allowlists.