CVE-2026-51731

Incorrect access control in the delVlanCfg function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to remove VLAN entries via sending a crafted POST request to /cgi-bin/cstecgi.cgi...

CVE-2026-51731

The TOTOLINK T6 wireless dual-band Mesh router (firmware version 4.1.5cu.748_B20211015 ) is vulnerable to an incorrect access control flaw in the delVlanCfg function. This vulnerability allows unauthenticated attackers to remove VLAN entries by sending a specially crafted POST request to the /cgi...

PT-2026-83960

Incorrect access control in the delVlanCfg function of TOTOLINK T6 4.1.5cu.748 B20211015 allows unauthenticated attackers to remove VLAN entries via sending a crafted POST request to /cgi-bin/cstecgi.cgi...

CVE-2026-51731

Incorrect access control in the delVlanCfg function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to remove VLAN entries via sending a crafted POST request to /cgi-bin/cstecgi.cgi...

EUVD-2026-68755

Incorrect access control in the delVlanCfg function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to remove VLAN entries via sending a crafted POST request to /cgi-bin/cstecgi.cgi...

SUSE CVE-2026-80634

In the Linux kernel, the following vulnerability has been resolved: netfilter: flowtable: avoid numencaps underflow on bridge VLAN untag The DEVPATHBRVLANUNTAG case post-decrements info-numencaps inside WARNONONCE. numencaps is u8, so if it's already 0 the decrement still happens and wraps it to...

CVE-2026-80634

In the Linux kernel, the following vulnerability has been resolved: netfilter: flowtable: avoid numencaps underflow on bridge VLAN untag The DEVPATHBRVLANUNTAG case post-decrements info-numencaps inside WARNONONCE. numencaps is u8, so if it's already 0 the decrement still happens and wraps it to...

AZL-98093 CVE-2026-80634 affecting package kernel 6.6.157.1-1

In the Linux kernel, the following vulnerability has been resolved: netfilter: flowtable: avoid numencaps underflow on bridge VLAN untag The DEVPATHBRVLANUNTAG case post-decrements info-numencaps inside WARNONONCE. numencaps is u8, so if it's already 0 the decrement still happens and wraps it to...

CVE-2026-80634

In the Linux kernel, the following vulnerability has been resolved: netfilter: flowtable: avoid numencaps underflow on bridge VLAN untag The DEVPATHBRVLANUNTAG case post-decrements info-numencaps inside WARNONONCE. numencaps is u8, so if it's already 0 the decrement still happens and wraps it to...

UBUNTU-CVE-2026-80634

In the Linux kernel, the following vulnerability has been resolved: netfilter: flowtable: avoid numencaps underflow on bridge VLAN untag The DEVPATHBRVLANUNTAG case post-decrements info-numencaps inside WARNONONCE. numencaps is u8, so if it's already 0 the decrement still happens and wraps it to...

CVE-2026-80634 netfilter: flowtable: avoid num_encaps underflow on bridge VLAN untag

In the Linux kernel, the following vulnerability has been resolved: netfilter: flowtable: avoid numencaps underflow on bridge VLAN untag The DEVPATHBRVLANUNTAG case post-decrements info-numencaps inside WARNONONCE. numencaps is u8, so if it's already 0 the decrement still happens and wraps it to...

CVE-2026-80634

CVE-2026-80634 is a Linux kernel vulnerability in the netfilter flowtable subsystem. The root cause is an integer underflow: in the DEV_PATH_BR_VLAN_UNTAG path, info->num_encaps (a u8) is post-decremented inside WARN_ON_ONCE(), wrapping to 255 when already zero. This causes nft_dev_forward_pat...

CVE-2026-80634 netfilter: flowtable: avoid num_encaps underflow on bridge VLAN untag

In the Linux kernel, the following vulnerability has been resolved: netfilter: flowtable: avoid numencaps underflow on bridge VLAN untag The DEVPATHBRVLANUNTAG case post-decrements info-numencaps inside WARNONONCE. numencaps is u8, so if it's already 0 the decrement still happens and wraps it to...

EUVD-2026-67510

In the Linux kernel, the following vulnerability has been resolved: netfilter: flowtable: avoid numencaps underflow on bridge VLAN untag The DEVPATHBRVLANUNTAG case post-decrements info-numencaps inside WARNONONCE. numencaps is u8, so if it's already 0 the decrement still happens and wraps it to...

CVE-2026-80634

In the Linux kernel, the following vulnerability has been resolved: netfilter: flowtable: avoid numencaps underflow on bridge VLAN untag The DEVPATHBRVLANUNTAG case post-decrements info-numencaps inside WARNONONCE. numencaps is u8, so if it's already 0 the decrement still happens and wraps it to...

PT-2026-83267

PLANET GS-4210-16P2S firmware before 3.441b260626 contains an authenticated OS command injection vulnerability in /cgi-bin/dispatcher.cgi. The web vlan membership edit dialog post handler incorporates the memberTags POST parameter into a shell command without sanitization. A remote authenticated...

Linux Distros Unpatched Vulnerability : CVE-2026-80634

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - netfilter: flowtable: avoid numencaps underflow on bridge VLAN untag The DEVPATHBRVLANUNTAG case post-decrements info-numencaps inside WARNONONCE. numencaps is...

CVE-2026-80634: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: netfilter: flowtable: avoid numencaps underflow on bridge VLAN untag The DEVPATHBRVLANUNTAG case post-decrements info-numencaps inside WARNONONCE. numencaps is u8, so if it's already 0 the decrement still happens and wraps it to...

PT-2026-82934

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the netfilter flowtable component where a post-decrement of the num encaps variable occurs within the DEV PATH BR VLAN UNTAG case. Because num encaps is an unsigned...

kernel: ip6_tunnel: use skb_vlan_inet_prepare() in __ip6_tnl_rcv()

In the Linux kernel, the following vulnerability has been resolved: ip6tunnel: use skbvlaninetprepare in ip6tnlrcv Blamed commit did not take care of VLAN encapsulations as spotted by syzbot 1. Use skbvlaninetprepare instead of pskbinetmaypull. 1 BUG: KMSAN: uninit-value in INETECNdecapsulate...