CVE-2026-8805Disclosure

LOWCVSS 8.7 · HIGH

Signal is active with 2 mentions in latest observed window

Immediate actions

Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

Integer Overflow or Wraparound vulnerability in the EtherNet/IP function of Mitsubishi Electric MELSEC iQ-F Series FX5-EIP EtherNet/IP module FX5-EIP versions 1.000 and prior allows a remote attacker to cause a denial-of-service (DoS) condition in the affected product by rapidly establishing a large number of TCP connections to it, resulting in an inconsistency in the product's internal connection management process and triggering improper memory access.

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0.0/ 10 priority

Sources & remediation

Other references

Weakness type (CWE)

CWE-190

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

NONE

Threat summary

2 mentions across 1 observed day

What's happening

Technical details provided in 2 signals
Disclosure: 1 classified signal
General: 1 classified signal
2 total mentions across 1 day

Deep dive

Activity timeline2 mentions / 1d

Signal classification2 categories

Disclosure

150.0%

General

150.0%

Referenced assets2 URLs

By indicator

Full discourse2 posts

Aviatrix Threat Research Center@aviatrixtrc136d
Disclosure
TRC analysis shows attackers can exploit CVE-2026-8805 in Mitsubishi Electric MELSEC iQ-F modules by flooding systems with TCP connections, causing DoS conditions that require full system resets. This highlights operational risks when industrial networks lack proper traffic controls. #CloudSecurity 🔗 Full TRC analysis: https://aviatrix.ai/threat-research-center/mitsubishi-electric-melsec-iq-f-series-cve-2026-8805
Post summary
TRC analysis discloses a DoS vulnerability in Mitsubishi Electric MELSEC iQ‑F modules through TCP flooding, necessitating full system resets, with no patch or evidence of active exploitation mentioned.
0000049
1.9K followersView on X
Vulmon Vulnerability Feed@VulmonFeeds136d
General
CVE-2026-8805 Integer Overflow Vulnerability in Mitsubishi Electric MELSEC iQ-F Series FX5-EIP Module https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-8805
Post summary
The post reports an integer‑overflow vulnerability in a Mitsubishi Electric PLC module but lacks specific details such as PoC, exploit code, or patch information.
00000143
4.1K followersView on X

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