Description
A vulnerability was detected in Tenda AC1206 15.03.06.23. Affected is the function GetParentControlInfo of the file /goform/GetParentControlInfo. The manipulation of the argument mac results in stack-based buffer overflow. It is possible to launch the attack remotely. The exploit is now public and may be used.
EPSS Score:
0%
Comprehensive Technical Analysis of EUVD-2025-25876
1. Vulnerability Assessment and Severity Evaluation
The vulnerability EUVD-2025-25876 affects the Tenda AC1206 router, specifically in the firmware version 15.03.06.23. The issue resides in the function GetParentControlInfo within the file /goform/GetParentControlInfo. The vulnerability is a stack-based buffer overflow caused by the manipulation of the mac argument. This type of vulnerability can lead to arbitrary code execution, making it highly critical.
Severity Evaluation:
- CVSS Base Score: 9.3 (Critical)
- CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
The high base score indicates that the vulnerability is severe due to its remote exploitability, low attack complexity, and high impact on confidentiality, integrity, and availability.
2. Potential Attack Vectors and Exploitation Methods
Attack Vectors:
- Remote Exploitation: The vulnerability can be exploited remotely, meaning an attacker does not need physical access to the device.
- Network-Based Attacks: Given the nature of the vulnerability, attackers can exploit it over the network, potentially affecting a large number of devices.
Exploitation Methods:
- Buffer Overflow: By sending a specially crafted request to the
GetParentControlInfofunction, an attacker can overflow the stack buffer, leading to arbitrary code execution. - Public Exploit: The exploit is publicly available, increasing the risk of widespread attacks.
3. Affected Systems and Software Versions
Affected Systems:
- Device: Tenda AC1206
- Firmware Version: 15.03.06.23
Potential Impact:
- All devices running the affected firmware version are vulnerable to this attack.
4. Recommended Mitigation Strategies
Immediate Actions:
- Firmware Update: Users should immediately update to a patched version of the firmware if available.
- Network Segmentation: Isolate affected devices from critical networks to limit potential damage.
- Firewall Rules: Implement strict firewall rules to block unauthorized access to the device.
Long-Term Strategies:
- Regular Patching: Ensure that all devices are regularly updated with the latest security patches.
- Intrusion Detection Systems (IDS): Deploy IDS to monitor for suspicious activity related to this vulnerability.
- Security Audits: Conduct regular security audits to identify and mitigate similar vulnerabilities.
5. Impact on European Cybersecurity Landscape
The vulnerability poses a significant risk to the European cybersecurity landscape, particularly for organizations and individuals using the Tenda AC1206 router. Given the widespread use of such devices in both home and enterprise environments, the potential for large-scale attacks is high. The public availability of the exploit further exacerbates the risk, making it crucial for immediate mitigation efforts.
6. Technical Details for Security Professionals
Vulnerability Details:
- Function:
GetParentControlInfo - File:
/goform/GetParentControlInfo - Vulnerable Argument:
mac - Type: Stack-based buffer overflow
Exploitation Steps:
- Identify Target: Locate devices running the vulnerable firmware version.
- Craft Exploit: Create a malicious request targeting the
macargument to overflow the stack buffer. - Execute Exploit: Send the crafted request to the device, leading to arbitrary code execution.
Detection and Monitoring:
- Log Analysis: Monitor logs for unusual activity related to the
GetParentControlInfofunction. - Network Traffic Analysis: Use network monitoring tools to detect anomalous traffic patterns indicative of exploitation attempts.
References:
Aliases:
- CVE ID: CVE-2025-9523
Assigner:
- VulDB
ENISA IDs:
- Product: AC1206 (ID: afd2a44d-6231-3d16-8575-4c83985a5601)
- Vendor: Tenda (ID: 4c46a613-3880-3cce-ab49-f28785272d99)
By addressing this vulnerability promptly and effectively, organizations can significantly reduce the risk of exploitation and ensure the security of their networks.