CVE-2025-10820 is a medium severity vulnerability affecting version 1.0 of the fuyang_lipengjun platform, specifically in the TopicController function located in the /topic/queryAll endpoint. The vulnerability arises due to improper authorization controls, allowing an attacker to remotely execute unauthorized queries or actions without proper privilege checks. The CVSS 4.0 vector indicates that the attack can be performed remotely (AV:N) with low attack complexity (AC:L), requires no authentication (PR:L indicates low privileges needed, but the vector states AT:N meaning no authentication is required), and no user interaction (UI:N). The impact on confidentiality is low, with no integrity or availability impact noted. The vulnerability does not require user interaction and can be exploited without special privileges, making it accessible to a broad range of attackers. Although no known exploits are currently observed in the wild, the exploit code has been publicly disclosed, increasing the risk of exploitation. The lack of patches or mitigation links suggests that remediation may not yet be available, emphasizing the need for immediate attention. Improper authorization vulnerabilities can lead to unauthorized data access or information disclosure, potentially exposing sensitive information or internal platform data to attackers.

For European organizations using the fuyang_lipengjun platform version 1.0, this vulnerability poses a risk of unauthorized data exposure or unauthorized access to platform resources. While the direct impact on confidentiality is rated low, the improper authorization could be leveraged as a foothold for further attacks or lateral movement within an organization's network. This is particularly concerning for organizations handling sensitive or regulated data under GDPR, where unauthorized access could lead to compliance violations and financial penalties. Additionally, the remote exploitability without authentication increases the threat surface, especially for internet-facing deployments. Organizations in sectors such as finance, healthcare, and government, which often use specialized platforms and have strict data protection requirements, may face increased risks. The absence of a patch means organizations must rely on compensating controls to mitigate the threat until an official fix is released.

1. Immediately conduct an access control audit on the fuyang_lipengjun platform, focusing on the /topic/queryAll endpoint and related authorization logic within TopicController. 2. Implement strict network segmentation and firewall rules to restrict external access to the vulnerable platform, limiting exposure to trusted internal networks only. 3. Employ Web Application Firewalls (WAFs) with custom rules to detect and block suspicious requests targeting the /topic/queryAll endpoint. 4. Monitor logs for unusual or unauthorized access patterns related to the TopicController function to detect potential exploitation attempts early. 5. If feasible, disable or restrict the use of the vulnerable endpoint until a patch or official fix is available. 6. Engage with the vendor or community to obtain or expedite a security patch and apply it promptly once released. 7. Conduct employee awareness training to recognize potential exploitation symptoms and report anomalies. 8. Review and enhance overall authorization mechanisms across the platform to prevent similar vulnerabilities.