DEV Community

#cisco

Posts

đź‘‹ Sign in for the ability to sort posts by relevant, latest, or top.
What if you could just tell Packet Tracer what to build? Looking for your thoughts (and a question about AI)

What if you could just tell Packet Tracer what to build? Looking for your thoughts (and a question about AI)

Comments 2
1 min read
Cisco SD-WAN CVE-2026-20127 — A CVSS 10.0 Auth Bypass, a Key-Stealing Implant, and a Relay Network Built to Disappear

Cisco SD-WAN CVE-2026-20127 — A CVSS 10.0 Auth Bypass, a Key-Stealing Implant, and a Relay Network Built to Disappear

Comments
2 min read
VLAN Trunk Troubleshooting: 7 Checks Before You Blame the Switch

VLAN Trunk Troubleshooting: 7 Checks Before You Blame the Switch

Comments
5 min read
Snort 3 restarts and the inspection gap: what 13 Cisco fixes leave you to decide

Snort 3 restarts and the inspection gap: what 13 Cisco fixes leave you to decide

Comments
4 min read
4,802 Firepower fingerprints, 985 IOS XE and zero Cyber Vision: reading three Snort 3 numbers together

4,802 Firepower fingerprints, 985 IOS XE and zero Cyber Vision: reading three Snort 3 numbers together

Comments
4 min read
One Attachment, Root: Scoping the Cisco Secure Email Gateway Fix for CVE-2026-76519

One Attachment, Root: Scoping the Cisco Secure Email Gateway Fix for CVE-2026-76519

Comments
3 min read
1,807 Gateways, 1,161 on 443, Zero CVE Matches: Scoping Cisco SEG Exposure

1,807 Gateways, 1,161 on 443, Zero CVE Matches: Scoping Cisco SEG Exposure

Comments
3 min read
Setting up VLANs on a used managed switch (practical guide)

Setting up VLANs on a used managed switch (practical guide)

Comments
4 min read
Cisco CCNP Enterprise: Building a Home Lab on a Budget

Cisco CCNP Enterprise: Building a Home Lab on a Budget

Comments
5 min read
Hunting in the mail path: five hypotheses for CVE-2026-76519 exposure

Hunting in the mail path: five hypotheses for CVE-2026-76519 exposure

Comments
3 min read
Four Critical NX-OS CVEs at Once: How to Order the Work

Four Critical NX-OS CVEs at Once: How to Order the Work

Comments
2 min read
IPv4 /26 Subnetting Explained: A Beginner-Friendly Guide

IPv4 /26 Subnetting Explained: A Beginner-Friendly Guide

1
Comments 1
2 min read
Compromise Assessment After CVE-2026-76504: Building a Defensible Investigation Order

Compromise Assessment After CVE-2026-76504: Building a Defensible Investigation Order

Comments
4 min read
An email attachment hands the sender root on Cisco's gateway

An email attachment hands the sender root on Cisco's gateway

Comments
3 min read
CVE-2026-20079: Root on Cisco Secure FMC Through a Crafted HTTP Request

CVE-2026-20079: Root on Cisco Secure FMC Through a Crafted HTTP Request

Comments
2 min read
đź‘‹ Sign in for the ability to sort posts by relevant, latest, or top.