CVE-2026-42375

D-Link DIR-600L Hardware Revision A1 End-of-Life contains a hardcoded telnet backdoor. The device starts a telnet daemon at boot via /bin/telnetd.sh with the username "Alphanetworks" and the static password "wrgn35dlwbrdir600l" read from /etc/alphaconfig/imagesign. The custom telnetd binary accep...

CVE-2026-42375 D-Link DIR-600L A1 Hardcoded Telnet Backdoor Credentials

D-Link DIR-600L Hardware Revision A1 End-of-Life contains a hardcoded telnet backdoor. The device starts a telnet daemon at boot via /bin/telnetd.sh with the username "Alphanetworks" and the static password "wrgn35dlwbrdir600l" read from /etc/alphaconfig/imagesign. The custom telnetd binary accep...

CVE-2026-42374 D-Link DIR-600L B1 Hardcoded Telnet Backdoor Credentials

D-Link DIR-600L Hardware Revision B1 End-of-Life contains a hardcoded telnet backdoor. The device starts a telnet daemon at boot via /bin/telnetd.sh with the username "Alphanetworks" and the static password "wrgn61dlwbrdir600L" read from /etc/alphaconfig/imagesign. The custom telnetd binary accep...

CVE-2026-42374

D-Link DIR-600L Hardware Revision B1 End-of-Life contains a hardcoded telnet backdoor. The device starts a telnet daemon at boot via /bin/telnetd.sh with the username "Alphanetworks" and the static password "wrgn61dlwbrdir600L" read from /etc/alphaconfig/imagesign. The custom telnetd binary accep...

EUVD-2026-27025

D-Link DIR-600L Hardware Revision B1 End-of-Life contains a hardcoded telnet backdoor. The device starts a telnet daemon at boot via /bin/telnetd.sh with the username "Alphanetworks" and the static password "wrgn61dlwbrdir600L" read from /etc/alphaconfig/imagesign. The custom telnetd binary accep...

EUVD-2026-27023

D-Link DIR-605L Hardware Revision B2 End-of-Life, EOL contains a hardcoded telnet backdoor. The device starts a telnet daemon at boot via /bin/telnetd.sh with the username "Alphanetworks" and the static password "wrgn76dlwbrdir605L" read from /etc/alphaconfig/imagesign. The custom telnetd binary...

CVE-2026-42373

D-Link DIR-605L Hardware Revision B2 (End-of-Life) ships a hardcoded telnet backdoor. At boot, a telnet daemon starts via /bin/telnetd.sh with username "Alphanetworks" and a static password read from /etc/alpha_config/image_sign. The custom telnetd/login binaries validate credentials using strcmp...

CVE-2026-42373

D-Link DIR-605L Hardware Revision B2 End-of-Life, EOL contains a hardcoded telnet backdoor. The device starts a telnet daemon at boot via /bin/telnetd.sh with the username "Alphanetworks" and the static password "wrgn76dlwbrdir605L" read from /etc/alphaconfig/imagesign. The custom telnetd binary...

CVE-2026-42372

D-Link DIR-605L Hardware Revision A1 End-of-Life, EOL contains a hardcoded telnet backdoor. The device starts a telnet daemon at boot via /bin/telnetd.sh with the username "Alphanetworks" and the static password "wrgn35dlwbrdir605l" read from /etc/alphaconfig/imagesign. The custom telnetd binary...

vulnerability-research

Vulnerability Research & Responsible Disclosure Shivam Paji...

D-Link DIR-600L 信任管理问题漏洞

The D-Link DIR-600L is an entry-level wireless router from D-Link Corporation. It supports 150Mbps wireless transmission and has 4 Gigabit wired ports. The DIR-600L has a trust management vulnerability, which stems from a hard-coded telnet backdoor. This vulnerability could allow unauthenticated...

PT-2026-36833

Name of the Vulnerable Software and Affected Versions D-Link DIR-605L Hardware Revision A1 Description A hardcoded telnet backdoor exists where the device starts a telnet daemon at boot via the /bin/telnetd.sh script. The system uses a static username "Alphanetworks" and password "wrgn35 dlwbr...

D-Link DIR-456U 信任管理问题漏洞

The D-Link DIR-456U is a wireless router produced by D-Link Corporation. The D-Link DIR-456U Hardware Revision A1 has a vulnerability related to trust management. This vulnerability stems from a hard-coded telnet backdoor, which may allow unauthenticated attackers on the local network to obtain a...

D-Link DIR-600L 信任管理问题漏洞

The D-Link DIR-600L is an entry-level wireless router from D-Link Corporation. It supports 150Mbps wireless transmission and has 4 Gigabit wired ports. There is a trust management vulnerability in the D-Link DIR-600L Hardware Revision A1. This vulnerability stems from a hard-coded telnet backdoor...

D-Link DIR-605L 信任管理问题漏洞

The D-Link DIR-605L is a wireless router produced by D-Link Corporation. The D-Link DIR-605L in the Hardware Revision A1 version has a trust management vulnerability. This vulnerability stems from a hard-coded telnet backdoor, which allows unauthorized attackers on the local network to obtain roo...

D-Link DIR-605L 信任管理问题漏洞

The D-Link DIR-605L is a wireless router produced by D-Link Corporation. The D-Link DIR-605L Hardware Revision B2 version has a vulnerability related to trust management. This vulnerability stems from a hard-coded telnet backdoor, which allows unauthenticated attackers on the local network to...

Firewalld: firewalld: local unprivileged user can modify firewall state due to d-bus setter mis-authorization

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CLSA-2026-1777541514 binutils: Fix of 3 CVEs

CVE-2025-66862: fix buffer overflow in gnuspecial cplus-dem.c - CVE-2025-66863: fix denial of service in ddiscriminator cp-demangle.c - CVE-2025-66865: fix denial of service in dprintcompinner cp-demangle.c...

SUSE SLED15 / SLES15 Security Update : MozillaFirefox (SUSE-SU-2026:1649-1)

The remote SUSE Linux SLED15 / SLEDSAP15 / SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:1649-1 advisory. This update for MozillaFirefox fixes the following issue: Update to Firefox Extended Support Release 140.10.0...

CVE-2026-7554

A vulnerability was determined in D-Link M60 up to 1.20B02. Affected by this issue is some unknown functionality of the file /usr/bin/httpd. This manipulation causes weak password recovery. The attack can be initiated remotely. A high degree of complexity is needed for the attack. The exploitatio...