critical severity September 08, 2026 · 1 min read

CISA ICS Advisory: Siemens Reyrolle 7SR5

Here’s what this advisory affects, and what to do about it.

Siemens Reyrolle 7SR5 Before V2.70 is affected by multiple vulnerabilities. Siemens has released a new version for Reyrolle 7SR5 and recommends to update to the latest version.

CISA ICS Advisory: Siemens Reyrolle 7SR5

CISA has published an ICS advisory on September 15, 2026, warning that Siemens Reyrolle 7SR5 devices running firmware versions before V2.70 contain multiple vulnerabilities.

Multiple vulnerabilities in protection relays

The advisory states that Siemens Reyrolle 7SR5 devices prior to version V2.70 are affected by several security flaws. Successful exploitation of these vulnerabilities could allow an attacker to impact the intended operation of the affected protection relays. The advisory does not say whether any of the vulnerabilities have been exploited in the wild.

Watch this company

Get alerted the next time this company files a breach with any US regulator — the filing, dated and sourced. A free single-company slice of Signals; no account needed.

We’ll email you only about this company’s future breach filings and how to watch a whole vendor list — not general marketing. Unsubscribe any time.

Watching your whole vendor list (50 to 500 companies, by tier) is GalaxyWarden Signals.

Exposure Pack · one payment

The full list, and what to lock in ten minutes.

Every indexed leak tied to your address — all of them, named and dated
A deeper search of collected breach data — the kinds of your information it holds, where it finds you
What this kind of incident typically exposes
A ten-minute lock list written for this kind of organisation

One payment. Nothing renews, and no account is created. Emailed to you within a minute.

Affected products

The advisory names Siemens Reyrolle 7SR5 protection relays running firmware before V2.70. No other products or specific sectors are listed as affected. Siemens has developed and released a fixed version.

What to do

Determine whether any Reyrolle 7SR5 devices in your environment are running firmware before V2.70.
Update affected Reyrolle 7SR5 devices to the latest firmware version released by Siemens.
Follow Siemens’ recommended mitigation guidance published with the update.
Monitor Siemens’ official product security channel for any additional information or future updates.
Apply network segmentation and access controls consistent with ICS best practices to limit exposure of the relays.

Organisations operating industrial control systems should treat vendor-issued firmware updates for protection relays as high priority when CISA publishes an advisory.

What the free scan actually returns

Sample resultyou@email.comIllustrative — not a real person

Found on people-search siteswe remove these

These listings are live, public, and legal to remove — and removing them is what we do.

value redacted in this sampleage, relatives, address historySpokeo

value redacted in this samplephone, household, property recordsBeenVerified

value redacted in this sample580 companies checked

Found in breach recordsverifiedreported — unverified

Each record is labeled: confirmed breach data, or an attacker’s claim no one has verified.

verifiedvalue redacted in this samplepassword + phone · 2024telecom breach

unverifiedvalue redacted in this sampleclaimed in ransomware listing · 2026leak-site claim

Leaked data cannot be deleted from the internet — anyone claiming otherwise is lying. Broker listings can be removed. We do the second, and show you exactly what to fix from the first.

Check your exposure

This is one listing. Your email is probably in others.

We can’t confirm any single incident against the sources we search, so we won’t pretend to. What we can show you is your own exposure — your email against 13.1B+ leaked records and the sites that publish your address. About 15 seconds. No account, no card.

Report details & sourcing

By GalaxyWarden Threat Research · Editorial & sourcing standards

Editorial & sourcing policy

GalaxyWarden is a breach-monitoring service and news aggregator. We do not exfiltrate, host, purchase, or redistribute stolen data. Breach information is compiled from publicly accessible sources and threat-intelligence platforms, and is reported as claims attributed to their source. We promptly correct or remove material shown to be inaccurate — see our content & takedown policy or write to support@galaxywarden.com.

Sources: CISA ICS Advisory

Related breaches

high October 05, 2026