CVE-2026-110958
CriticalCVSS 10.0Summary
A heap-based buffer overflow exists in Wavlink WN530HG4B (M30HG4B_V260724) in the file api.cgi. The attack can be launched remotely and the exploit has been made public.
Risk Assessment
A remote attacker can exploit the publicly known vulnerability to cause a heap buffer overflow, potentially leading to arbitrary code execution on the device.
Recommendation
Upgrade the firmware to version 2026-09-24-841a51c6d5_tclinux.bin.
Related vulnerabilities
- CVE-2026-110812Critical
Deserialization of untrusted data in the Gremlin graph data import component in the Amazon Neptune engine. An authenticated remote actor with standard database permissions can execute arbitrary code and access internal service credentials.
- CVE-2026-57155Critical
In OPNsense prior to 26.1.11, the Firewall Alias GeoIP importer uses an unvalidated CSV country_code value to construct output filenames, allowing path traversal. A user with Firewall Alias Edit privilege can supply a crafted archive and write attacker-controlled content as root, then leverage cron to execute commands as root.
- CVE-2026-105474Critical
A server-side template injection (SSTI) vulnerability exists in SolusVM 2 up to version 2.0.0-44576, allowing remote authenticated users to execute arbitrary code as root.
- CVE-2026-47168Critical
In EspoCRM prior to 9.3.7, an authenticated administrator can supply crafted serialized PHP object data stored in MassAction or Export parameters, which is later deserialized without class restrictions, leading to arbitrary code execution.
- CVE-2026-110957Critical
In Wavlink WL-WN530BE2-A up to M30BE2_V250604, the function sub_12580 in api.cgi (Login Processing component) is vulnerable to OS command injection via the REMOTE_ADDR argument. The attack can be launched remotely and the exploit has been disclosed publicly.
- CVE-2026-99999Critical
In the Linux kernel, a vulnerability in the IPv4 stack was resolved: if a packet with bad checksum metadata enters the stack, skb_checksum_help can corrupt the network header. Additional validation of checksum_start before completing the checksum was added.
- CVE-2026-109892Critical
Incorrect Privilege Assignment vulnerability in Shabti Kaplan Frontend Admin by DynamiApps (acf-frontend-form-element) allows Privilege Escalation. This issue affects Frontend Admin by DynamiApps from n/a through 3.29.13.
- CVE-2026-109698Critical
Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in Kitae Park Mang Board WP (mangboard) allows SQL Injection. This issue affects Mang Board WP from n/a through 2.4.4.
- CVE-2026-109688Critical
Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in Link Whisper INC Link Whisper Free (link-whisper) allows Blind SQL Injection. This issue affects Link Whisper Free from n/a through 0.9.7.
- CVE-2026-109686Critical
The Link Whisper Free WordPress plugin in versions up to 0.9.7 contains a deserialization of untrusted data vulnerability that allows an attacker to perform object injection. The issue occurs in the plugin's input processing mechanism.
Original NVD description (English source)
A vulnerability was found in Wavlink WN530HG4B M30HG4B_V260724. The impacted element is an unknown function of the file api.cgi. The manipulation results in heap-based buffer overflow. It is possible to launch the attack remotely. The exploit has been made public and could be used. Upgrading to version 2026-09-24-841a51c6d5_tclinux.bin is sufficient to resolve this issue. The affected component should be upgraded. The vendor confirms: "We confirm the finding, and it has already been addressed. In the current firmware the api=info&client=app handler no longer builds a shell command: the login script is now invoked through an argument vector (execvp) instead of system(), and the client address is length-limited and null-checked."
Vulnerability data from NVD (NIST) · CISA KEV · EPSS