CVE-2026-21911 Junos OS Evolved: Flapping management interface causes MAC learning on label-switched interfaces to stop

An Incorrect Calculation vulnerability in the Layer 2 Control Protocol Daemon l2cpd of Juniper Networks Junos OS Evolved allows an unauthenticated network-adjacent attacker flapping the management interface to cause the learning of new MACs over label-switched interfaces LSI to stop while...

CVE-2026-21911

CVE-2026-21911 affects Juniper Networks Junos OS Evolved via an Incorrect Calculation in the Layer 2 Control Protocol Daemon (l2cpd). An unauthenticated, network-adjacent attacker can flap the management interface to disrupt MAC learning over label-switched interfaces (LSI). Impact described in t...

EUVD-2026-2699

An Incorrect Calculation vulnerability in the Layer 2 Control Protocol Daemon l2cpd of Juniper Networks Junos OS Evolved allows an unauthenticated network-adjacent attacker flapping the management interface to cause the learning of new MACs over label-switched interfaces LSI to stop while...

CVE-2025-70656

Tenda AX-1806 v1.0.0.1 was discovered to contain a stack overflow in the mac parameter of the sub65B5C function. This vulnerability allows attackers to cause a Denial of Service DoS via a crafted request...

CVE-2025-70656

Tenda AX-1806 v1.0.0.1 was discovered to contain a stack overflow in the mac parameter of the sub65B5C function. This vulnerability allows attackers to cause a Denial of Service DoS via a crafted request...

CVE-2025-70656

Tenda AX-1806 v1.0.0.1 was discovered to contain a stack overflow in the mac parameter of the sub65B5C function. This vulnerability allows attackers to cause a Denial of Service DoS via a crafted request...

PT-2026-3068

Name of the Vulnerable Software and Affected Versions Tenda AX-1806 version 1.0.0.1 Description A stack overflow exists in the mac parameter of the sub 65B5C function within the Tenda AX-1806. A crafted request can trigger this issue, leading to a Denial of Service DoS. Recommendations Update to ...

EUVD-2026-2744

Tenda AX-1806 v1.0.0.1 was discovered to contain a stack overflow in the mac parameter of the sub65B5C function. This vulnerability allows attackers to cause a Denial of Service DoS via a crafted request...

PT-2026-3125

Name of the Vulnerable Software and Affected Versions Juniper Networks Junos OS Evolved versions prior to 21.4R3-S7-EVO Juniper Networks Junos OS Evolved versions 22.2 through 22.2R3-S4-EVO Juniper Networks Junos OS Evolved versions 22.3 through 22.3R3-S3-EVO Juniper Networks Junos OS Evolved...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-002454)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-002454 advisory. The evmverifyhmac function in security/integrity/evm/evmmain.c in the Linux kernel before 4.5 does not properly copy data, which makes it easier for local users to...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-001870)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-001870 advisory. Race condition in the mac80211 subsystem in the Linux kernel before 3.13.7 allows remote attackers to cause a denial of service system crash via network traffic that...

Mozilla Thunderbird < 147.0

The version of Thunderbird installed on the remote macOS or Mac OS X host is prior to 147.0. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2026-04 advisory. - Memory safety bugs present in Firefox 146 and Thunderbird 146. Some of these bugs showed evidence of...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-002499)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-002499 advisory. The securitycontexttosidcore function in security/selinux/ss/services.c in the Linux kernel before 3.13.4 allows local users to cause a denial of service system cras...

Tenda AX1806 安全漏洞

The Tenda AX1806 is a WiFi6 wireless router from Tenda China. The Tenda AX1806 suffers from a stack buffer overflow vulnerability that stems from the mac parameter of the sub65B5C function failing to properly validate the length size of the input data, which can be exploited by an attacker to cau...

CVE-2025-70656

Tenda AX-1806 v1.0.0.1 was discovered to contain a stack overflow in the mac parameter of the sub65B5C function. This vulnerability allows attackers to cause a Denial of Service DoS via a crafted request...

CVE-2025-70656

Tenda AX-1806 v1.0.0.1 was discovered to contain a stack overflow in the mac parameter of the sub65B5C function. This vulnerability allows attackers to cause a Denial of Service DoS via a crafted request...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-003156)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-003156 advisory. Heap-based buffer overflow in drivers/net/macsec.c in the MACsec module in the Linux kernel through 4.10.12 allows attackers to cause a denial of service or possibly...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-003094)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-003094 advisory. The evmverifyhmac function in security/integrity/evm/evmmain.c in the Linux kernel before 4.5 does not properly copy data, which makes it easier for local users to...

CVE-2025-70656

The CVE-2025-70656 entry affects the Tenda AX-1806 router (v1.0.0.1). A stack overflow is present in the mac parameter of the sub_65B5C function, enabling Denial of Service (DoS) via a crafted request. The available documents cite a CVSSv3.1 base score of 7.5 (HIGH) with network as the attack vec...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-002314)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-002314 advisory. The ath9khtcsetbssidmask function in drivers/net/wireless/ath/ath9k/htcdrvmain.c in the Linux kernel through 3.12 uses a BSSID masking approach to determine the set ...