What is the CVSS score of CVE-2017-16958?

CVE-2017-16958 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: 1.4%.

Is there a public PoC exploit available for CVE-2017-16958?

Yes, a public proof-of-concept exploit is available for CVE-2017-16958. Prioritise patching immediately. EPSS: 1.4%.

Tl Wvr300 Firmware CVE-2017-16958

HIGH

OS Command Injection (CWE-78)

2017-11-27 cve@mitre.org

TP-Link Command Injection Tl Wvr300 Firmware Tl Wvr302 Firmware Tl Wvr450 Firmware Tl Wvr450L Firmware Tl Wvr450G Firmware Tl Wvr458 Firmware Tl Wvr458L Firmware Tl Wvr458P Firmware Tl Wvr900G Firmware Tl Wvr900L Firmware Tl Wvr1200L Firmware Tl Wvr1300L Firmware Tl Wvr1300G Firmware Tl Wvr1750L Firmware Tl War2600L Firmware Tl Wvr4300L Firmware Tl War302 Firmware Tl War450 Firmware Tl War450L Firmware Tl War458 Firmware Tl War458L Firmware Tl War900L Firmware Tl War1200L Firmware Tl War1300L Firmware Tl War1750L Firmware Tl Er3210G Firmware Tl Er3220G Firmware Tl Er5110G Firmware Tl Er5120G Firmware Tl Er5510G Firmware Tl Er5520G Firmware Tl Er6110G Firmware Tl Er6120G Firmware Tl Er6220G Firmware Tl Er6510G Firmware Tl Er6520G Firmware Tl Er7520G Firmware Tl R473 Firmware Tl R473G Firmware Tl R473P Ac Firmware Tl R479Gp Ac Firmware Tl R478 Firmware Tl R478G Firmware Tl R479P Ac Firmware Tl R479Gpe Ac Firmware Tl R483 Firmware Tl R483G Firmware Tl R488 Firmware Tl R4149G Firmware Tl R4239G Firmware Tl R4299G 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

Nov 27, 2017 - 10:29 cve.org

HIGH 8.8

DescriptionCVE.org

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

AnalysisAI

TP-Link TL-WVR, TL-WAR, TL-ER, and TL-R devices allow remote authenticated users to execute arbitrary commands via shell metacharacters in the t_bindif field of an admin/bridge command to. 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, TL-WAR, TL-ER, and TL-R devices allow remote authenticated users to execute arbitrary commands via shell metacharacters in the t_bindif field of an admin/bridge command to cgi-bin/luci, related to the get_device_byif function in /usr/lib/lua/luci/controller/admin/bridge.lua in uhttpd. Affected products include: Tp-Link Tl-Wvr300 Firmware, Tp-Link Tl-Wvr302 Firmware, Tp-Link Tl-Wvr450 Firmware, Tp-Link Tl-Wvr450L Firmware, Tp-Link Tl-Wvr450G 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.