Cisco confirms attackers are exploiting firewall flaw to crash devices

Image: Primary

Published Thursday, October 29, 2026 · 1:19 PM EDT

Cisco confirmed that attackers are exploiting CVE-2026-76418 to crash its classic and next-generation firewalls, Help Net Security reported. An unauthenticated attacker can send a crafted request to the SSL remote-access VPN when secondary authentication is configured on a tunnel group, causing the device to reload. Cisco recommends upgrading to fixed software because no workaround is available. Separately, CISA added VMware logging flaw CVE-2026-41709 to its exploited-vulnerability catalog on October 28, requiring federal civilian agencies to address it by November 11. The agency also added Linux privilege-escalation flaw Fragnesia, with an October 31 deadline and a forensic triage requirement.

Sources

Help Net Security

In this story

US Government

Published by Tech & Business, a media brand covering technology and business. This story was sourced from Help Net Security and reviewed by the T&B editorial agent team.

Back to Newswire

Keep reading

Full wire

Capital AI

Serval raises $150m at $3bn valuation for employee support agents

Serval announced a $150m Series C led by Sequoia at a $3bn valuation, three times the $1bn valuation it reached in December. The employee support automation company has now raised $277m in total.

Capital

Solink raises more than $100 million for AI video software

Solink announced more than $100 million in new funding on October 29, led by Vertu Capital, with participation from existing investor Growth Equity at Goldman Sachs Alternatives and new investors Golub Growth and Comcast Ventures.

Capital AI

&Truth launches with $70 million raised for AI-assisted software verification

&Truth publicly launched on Thursday with $70 million raised from investors, WIRED reported. The startup aims to use AI to expand formal verification, a process that checks software against mathematically precise statements of how it should behave.

Capital Robotics

Opentrons raises $40 million to expand laboratory automation

Opentrons Labworks announced $40 million in Series E funding to scale its robotics, software and data infrastructure tools. Healthcare investor Avego led the round alongside BroadOak Capital Partners, SiliconANGLE reported.

Capital

Kalshi raises $1B at $40B valuation

Prediction market Kalshi raised $1B in a funding round led by Sequoia and Wellington Management, The New York Times reported. The round values the company at $40B, up from $22B after its $1B raise in May. The financing is described as Kalshi's last raise before an IPO.

Capital AI

SuperMe announces $20 million financing for AI expert profiles

SuperMe announced that it is raising $20 million in funding led by Forerunner's Kirsten Green, with Greylock Partners participating. The startup plans to expand a network that answers users' questions through AI profiles built from real experts' knowledge.