CVE-2026-11410: CWE-78 Improper neutralization of special elements used in an OS command ('OS command injection') in TP-Link Systems Inc. TL-WR940N v6
CVE-2026-11410 is an authenticated OS command injection vulnerability in the BigPond Cable WAN configuration module of TP-Link TL-WR940N version 6. It arises from improper sanitization of user input, allowing an attacker with administrative access to execute arbitrary system commands with elevated privileges. The vulnerability has a high severity score of 8.5. No patch or official remediation guidance is currently provided by the vendor.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-11410) affects TP-Link Systems Inc.'s TL-WR940N v6 router. It is an OS command injection issue in the BigPond Cable WAN configuration module caused by improper neutralization of special elements in user input. An attacker who already has administrative privileges can exploit this flaw to run arbitrary system commands with elevated privileges. The CVSS 4.0 vector indicates the attack requires adjacent network access, low attack complexity, no user interaction, and high impact on confidentiality, integrity, and availability. No official fix or patch is currently documented.
Potential Impact
An attacker with administrative access to the affected device can execute arbitrary system commands with elevated privileges, potentially compromising the device's confidentiality, integrity, and availability. This could lead to full control over the device and disruption of network services.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, restrict administrative access to trusted users only and monitor for any suspicious activity related to WAN configuration changes.
CVE-2026-11410: CWE-78 Improper neutralization of special elements used in an OS command ('OS command injection') in TP-Link Systems Inc. TL-WR940N v6
Description
CVE-2026-11410 is an authenticated OS command injection vulnerability in the BigPond Cable WAN configuration module of TP-Link TL-WR940N version 6. It arises from improper sanitization of user input, allowing an attacker with administrative access to execute arbitrary system commands with elevated privileges. The vulnerability has a high severity score of 8.5. No patch or official remediation guidance is currently provided by the vendor.
CVSS v4.0
Score 8.5high
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-11410) affects TP-Link Systems Inc.'s TL-WR940N v6 router. It is an OS command injection issue in the BigPond Cable WAN configuration module caused by improper neutralization of special elements in user input. An attacker who already has administrative privileges can exploit this flaw to run arbitrary system commands with elevated privileges. The CVSS 4.0 vector indicates the attack requires adjacent network access, low attack complexity, no user interaction, and high impact on confidentiality, integrity, and availability. No official fix or patch is currently documented.
Potential Impact
An attacker with administrative access to the affected device can execute arbitrary system commands with elevated privileges, potentially compromising the device's confidentiality, integrity, and availability. This could lead to full control over the device and disruption of network services.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, restrict administrative access to trusted users only and monitor for any suspicious activity related to WAN configuration changes.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- TPLink
- Date Reserved
- 2026-06-05T18:37:13.184Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a31c79b0b89be68883759a9
Added to database: 6/16/2026, 10:00:59 PM
Last enriched: 6/16/2026, 10:31:41 PM
Last updated: 6/17/2026, 5:00:05 AM
Views: 3
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