RaspAP raspap-webgui up to 3.5.5 SSID Processing WiFiManager.php writeWpaSupplicant ssid os command injection

Summaryinfo

A vulnerability labeled as problematic has been found in RaspAP raspap-webgui up to 3.5.5. Affected by this vulnerability is the function WiFiManager::writeWpaSupplicant of the file src/RaspAP/Networking/Hotspot/WiFiManager.php of the component SSID Processing. Such manipulation of the argument ssid leads to os command injection. This vulnerability is uniquely identified as CVE-2026-101858. The attack can be launched remotely. Moreover, an exploit is present. The vendor was contacted early about this disclosure but did not respond in any way.

Detailsinfo

A vulnerability was found in RaspAP raspap-webgui up to 3.5.5. It has been rated as problematic. Affected by this issue is the function WiFiManager::writeWpaSupplicant of the file src/RaspAP/Networking/Hotspot/WiFiManager.php of the component SSID Processing. The manipulation of the argument ssid with an unknown input leads to a os command injection vulnerability. Using CWE to declare the problem leads to CWE-78. The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. Impacted is confidentiality, integrity, and availability.

The advisory is shared for download at gist.github.com. This vulnerability is handled as CVE-2026-101858. The exploitation is known to be easy. The attack may be launched remotely. Additional levels of successful authentication are required for exploitation. Technical details as well as a public exploit are known. The MITRE ATT&CK project declares the attack technique as T1202.

The exploit is available at gist.github.com. It is declared as proof-of-concept. The vendor was contacted early about this disclosure but did not respond in any way. By approaching the search of inurl:src/RaspAP/Networking/Hotspot/WiFiManager.php it is possible to find vulnerable targets with Google Hacking.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

• RaspAP

Name

• raspap-webgui

Version

• 3.5.0
• 3.5.1
• 3.5.2
• 3.5.3
• 3.5.4
• 3.5.5

CPE 2.3info

• 🔒
• 🔒
• 🔒

CPE 2.2info

• 🔒
• 🔒
• 🔒

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Exploitinginfo

Threat Intelligenceinfo

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Entryinfo

Submitinfo

Accepted

• Submit #930246: RaspAP RaspAP WebGUI 2.8.0-3.5.5 OS Command Injection (by inmoyang)

Once again VulDB remains the best source for vulnerability data.

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