CVE-2026-75616: CWE-78 Improper neutralization of special elements used in an OS command ('OS command injection') in TP-Link Systems Inc. Archer C20 v6
CVE-2026-75616 is an OS command injection vulnerability in the web management interface of TP-Link Archer C20 v6 firmware. It affects certain WAN-related configuration operations and requires authenticated administrator access. Exploitation allows execution of arbitrary system commands with elevated privileges, potentially leading to full device compromise and impacting confidentiality, integrity, and availability of the device and network traffic.
AI Analysis
Technical Summary
This vulnerability arises from improper neutralization of special elements used in OS commands (CWE-78) in the Archer C20 v6 firmware's web management interface. When processing specific WAN-related configuration inputs, insufficient input validation enables an authenticated administrator to inject and execute arbitrary system commands. The vulnerability can lead to full compromise of the device with elevated privileges.
Potential Impact
Successful exploitation allows an authenticated administrator to execute arbitrary system commands with elevated privileges, compromising the confidentiality, integrity, and availability of the affected device and the network traffic passing through it.
Mitigation Recommendations
No patch or official fix information is provided in the available data. Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, restrict administrator access to the device management interface and monitor for suspicious activity related to WAN configuration changes.
CVE-2026-75616: CWE-78 Improper neutralization of special elements used in an OS command ('OS command injection') in TP-Link Systems Inc. Archer C20 v6
Description
CVE-2026-75616 is an OS command injection vulnerability in the web management interface of TP-Link Archer C20 v6 firmware. It affects certain WAN-related configuration operations and requires authenticated administrator access. Exploitation allows execution of arbitrary system commands with elevated privileges, potentially leading to full device compromise and impacting confidentiality, integrity, and availability of the device and network traffic.
CVSS v4.0
Score 8.5high
Affected software
TP-Link Systems Inc.
Archer C20 v6
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability arises from improper neutralization of special elements used in OS commands (CWE-78) in the Archer C20 v6 firmware's web management interface. When processing specific WAN-related configuration inputs, insufficient input validation enables an authenticated administrator to inject and execute arbitrary system commands. The vulnerability can lead to full compromise of the device with elevated privileges.
Potential Impact
Successful exploitation allows an authenticated administrator to execute arbitrary system commands with elevated privileges, compromising the confidentiality, integrity, and availability of the affected device and the network traffic passing through it.
Mitigation Recommendations
No patch or official fix information is provided in the available data. Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, restrict administrator access to the device management interface and monitor for suspicious activity related to WAN configuration changes.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- TPLink
- Date Reserved
- 2026-08-17T23:56:24.056Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6a861799acd9273b499c15aa
Added to database: 08/19/2026, 20:52:41 UTC
Last enriched: 09/11/2026, 05:01:54 UTC
Last updated: 10/02/2026, 10:05:03 UTC
Views: 70
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