# Mercusys AC12G(EU) V1 vulnerabilities

Source: https://junglewise.ai/threats/technologies/ac12g-eu-v1  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 9 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/ac12g-eu-v1.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 12 vulnerabilities in Mercusys AC12G(EU) V1: 0 in the last 7 days and 0 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-36618, was published on 3 June 2026.

## Counts

- Last 7 days: 0
- Last 30 days: 0
- Last 90 days: 0
- All time: 12 (0 critical, 0 exploited in the wild)

## About Mercusys AC12G(EU) V1

The AC12G (EU) V1 is the firmware for the Mercusys AC1200 Wireless Gigabit Dual Band Router.

## Latest Mercusys AC12G(EU) V1 vulnerabilities

- [CVE-2026-36618: Mercusys AC12G information disclosure in DNS resolver](https://junglewise.ai/threats/cve-2026-36618-mercusys-ac12g-information-disclosure-in-dns-resolver) (info, CVSS 3.7, published 3 Jun 2026)
- [CVE-2026-36616: Mercusys AC12G hardcoded WiFi credentials in firmware](https://junglewise.ai/threats/cve-2026-36616-mercusys-ac12g-hardcoded-wifi-credentials-in-firmware) (info, CVSS 6.1, published 3 Jun 2026)
- [CVE-2026-36615: Mercusys AC12G information disclosure in /agileconfigreset endpoint](https://junglewise.ai/threats/cve-2026-36615-mercusys-ac12g-information-disclosure-in-agileconfigreset) (info, CVSS 4.3, published 3 Jun 2026)
- [CVE-2026-36613: Mercusys AC12G Information Disclosure in HTTP Server](https://junglewise.ai/threats/cve-2026-36613-mercusys-ac12g-information-disclosure-in-http-server) (info, CVSS 5.3, published 3 Jun 2026)
- [CVE-2026-36612: Mercusys AC12G weak WPS lockout and predictable PIN](https://junglewise.ai/threats/cve-2026-36612-mercusys-ac12g-weak-wps-lockout-and-predictable-pin) (info, CVSS 6.5, published 3 Jun 2026)
- [CVE-2026-36611: Mercusys AC12G uninitialized buffer disclosure in UPnP](https://junglewise.ai/threats/cve-2026-36611-mercusys-ac12g-uninitialized-buffer-disclosure-in-upnp) (info, CVSS 5.3, published 3 Jun 2026)
- [CVE-2026-36610: Mercusys AC12G cleartext transmission of DDNS credentials](https://junglewise.ai/threats/cve-2026-36610-mercusys-ac12g-cleartext-transmission-of-ddns-credentials) (info, CVSS 5.9, published 3 Jun 2026)
- [CVE-2026-36609: Mercusys AC12G V1 password recovery via static nonce and weak encoding](https://junglewise.ai/threats/cve-2026-36609-mercusys-ac12g-v1-password-recovery-via-static-nonce-and-weak) (info, CVSS 7.5, published 3 Jun 2026)
- [CVE-2026-36608: Mercusys AC12G UPnP port forwarding to local admin interface](https://junglewise.ai/threats/cve-2026-36608-mercusys-ac12g-upnp-port-forwarding-to-local-admin-interface) (info, CVSS 9.6, published 3 Jun 2026)
- [CVE-2026-36607: Mercusys AC12G brute-force protection bypass in TDDP endpoint](https://junglewise.ai/threats/cve-2026-36607-mercusys-ac12g-brute-force-protection-bypass-in-tddp-endpoint) (info, CVSS 9.8, published 3 Jun 2026)
- [CVE-2026-36605: Mercusys AC12G HTTP denial of service in web management interface](https://junglewise.ai/threats/cve-2026-36605-mercusys-ac12g-http-denial-of-service-in-web-management-interface) (info, CVSS 7.5, published 3 Jun 2026)
- [CVE-2026-36604: Mercusys AC12G DNS rebinding via missing Host header validation](https://junglewise.ai/threats/cve-2026-36604-mercusys-ac12g-dns-rebinding-via-missing-host-header-validation) (info, CVSS 6.5, published 3 Jun 2026)

## Most severe Mercusys AC12G(EU) V1 vulnerabilities

- [CVE-2026-36607: Mercusys AC12G brute-force protection bypass in TDDP endpoint](https://junglewise.ai/threats/cve-2026-36607-mercusys-ac12g-brute-force-protection-bypass-in-tddp-endpoint) (info, CVSS 9.8, published 3 Jun 2026)
- [CVE-2026-36608: Mercusys AC12G UPnP port forwarding to local admin interface](https://junglewise.ai/threats/cve-2026-36608-mercusys-ac12g-upnp-port-forwarding-to-local-admin-interface) (info, CVSS 9.6, published 3 Jun 2026)
- [CVE-2026-36609: Mercusys AC12G V1 password recovery via static nonce and weak encoding](https://junglewise.ai/threats/cve-2026-36609-mercusys-ac12g-v1-password-recovery-via-static-nonce-and-weak) (info, CVSS 7.5, published 3 Jun 2026)
- [CVE-2026-36605: Mercusys AC12G HTTP denial of service in web management interface](https://junglewise.ai/threats/cve-2026-36605-mercusys-ac12g-http-denial-of-service-in-web-management-interface) (info, CVSS 7.5, published 3 Jun 2026)
- [CVE-2026-36612: Mercusys AC12G weak WPS lockout and predictable PIN](https://junglewise.ai/threats/cve-2026-36612-mercusys-ac12g-weak-wps-lockout-and-predictable-pin) (info, CVSS 6.5, published 3 Jun 2026)
- [CVE-2026-36604: Mercusys AC12G DNS rebinding via missing Host header validation](https://junglewise.ai/threats/cve-2026-36604-mercusys-ac12g-dns-rebinding-via-missing-host-header-validation) (info, CVSS 6.5, published 3 Jun 2026)
- [CVE-2026-36616: Mercusys AC12G hardcoded WiFi credentials in firmware](https://junglewise.ai/threats/cve-2026-36616-mercusys-ac12g-hardcoded-wifi-credentials-in-firmware) (info, CVSS 6.1, published 3 Jun 2026)
- [CVE-2026-36610: Mercusys AC12G cleartext transmission of DDNS credentials](https://junglewise.ai/threats/cve-2026-36610-mercusys-ac12g-cleartext-transmission-of-ddns-credentials) (info, CVSS 5.9, published 3 Jun 2026)
- [CVE-2026-36613: Mercusys AC12G Information Disclosure in HTTP Server](https://junglewise.ai/threats/cve-2026-36613-mercusys-ac12g-information-disclosure-in-http-server) (info, CVSS 5.3, published 3 Jun 2026)
- [CVE-2026-36611: Mercusys AC12G uninitialized buffer disclosure in UPnP](https://junglewise.ai/threats/cve-2026-36611-mercusys-ac12g-uninitialized-buffer-disclosure-in-upnp) (info, CVSS 5.3, published 3 Jun 2026)

## Vulnerabilities per week

Nothing was published in the last eight weeks.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 0 | 0 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 0 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## Other Mercusys technologies

- [Mercusys AC12G](https://junglewise.ai/threats/technologies/ac12g): 9 vulnerabilities
- [Mercusys AC12 V2](https://junglewise.ai/threats/technologies/ac12-v2): 3 vulnerabilities

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "Mercusys AC12G(EU) V1 vulnerabilities", https://junglewise.ai/threats/technologies/ac12g-eu-v1, 9 November 2026.