CVE-2025-4008
CVE-2025-4008 is a security flaw in Smartbedded Meteobridge. Attackers can run commands on Smartbedded Meteobridge from anywhere, without logging in. The US Cybersecurity and Infrastructure Security Agency (CISA) added it to its catalog of flaws known to be used in attacks on 2 Oct 2025.[1]
Smartbedded Meteobridge is business software or equipment. Most families won’t have it, but attackers break into it to get inside companies, and from there to what those companies hold about their customers, patients and staff. Smartbedded has published a fix or advice.
Description
CISA calls it a command injection in Smartbedded Meteobridge. In its words: “Smartbedded Meteobridge contains a command injection vulnerability that could allow remote unauthenticated attackers to gain arbitrary command execution with elevated privileges (root) on affected devices.”[1]
The CVE record adds: “The Meteobridge web interface let meteobridge administrator manage their weather station data collection and administer their meteobridge system through a web application written in CGI shell scripts and C. This web interface exposes an endpoint that is vulnerable to command injection. Remote unauthenticated attackers can gain arbitrary command execution with elevated privileges ( root ) on affected devices.”[2]
The underlying weakness is missing authentication (CWE-306), command injection (CWE-77), in MITRE’s list of common software weaknesses.
It scores 8.8 out of 10 on the Common Vulnerability Scoring System, which rates it high, scored by NVD using CVSS 3.1.[2]
Affected versions
NVD’s record doesn’t list version ranges for it; Smartbedded’s advisory has them[3]. CISA names the product as Smartbedded Meteobridge.
Most families won’t have Smartbedded Meteobridge; it’s for whoever looks after IT at work.
Exploitation
CISA added it to its catalog of known exploited vulnerabilities on 2 Oct 2025, 134 days after it was made public. CISA lists a flaw only when it has reliable evidence of it being exploited, and gave US federal agencies until 23 Oct 2025 to fix it.[1]
FIRST’s Exploit Prediction Scoring System, which estimates how likely a flaw is to be used in attacks in the next 30 days from what it sees across the internet, puts it at 93%. That’s in the top 1% of the flaws it scores.[4]
CISA assesses it as automatable: attackers can run it against many targets at once.
CISA doesn’t say who was attacked, or how.
Fix
Smartbedded has published a fix or advice.[3] CISA’s required action: “Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.”[1]
- Check whether you use it.Smartbedded Meteobridge is business software or equipment, so most families won’t have it. If you run a business, or work from home on company equipment, ask whoever looks after your IT.
- Send this page to your IT person.Ask them to confirm it’s fixed, or not in use. CISA gave US government agencies until 23 Oct 2025 to fix it.
- If it can’t be fixed, take it offline.CISA’s advice when there’s no fix is to stop using the product, or take it off the internet, until there is one.
You can’t fix someone else’s server, but you can watch for what follows a break-in like this: a breach notice, a password reset you didn’t ask for, or a scam message that knows things it shouldn’t. HARD watches for those for you and your family.
Timeline
| Date | Event |
|---|---|
| The flaw is made public in the National Vulnerability Database, with a severity score of 8.8.[2] | |
| CISA adds it to its catalog of flaws known to be used in attacks.[1] | |
| CISA’s deadline for US government agencies to fix it.[1] | |
| FIRST puts the odds of it being used in attacks in the next 30 days at 93%.[4] |
See also
Other missing authentication flaws
- CVE-2026-111357, Ivanti Connect Secure: missing authentication for critical function ·
- CVE-2026-67277, MikroTik RouterOS: missing authentication for critical function ·
- CVE-2026-81578, PaperCut NG/MF: missing authentication for critical function ·
- CVE-2026-72529, TrueConf Server: missing authentication for critical function ·
- CVE-2026-56164, Microsoft SharePoint Server: missing authentication for critical function ·
Added the same day
- CVE-2025-21043, Samsung Mobile Devices: out-of-bounds write ·
- CVE-2017-1000353, Jenkins: remote code execution ·
- CVE-2015-7755, Juniper ScreenOS: improper authentication ·
- CVE-2014-6278, GNU Bash: bash OS command injection ·
References
- ^ Cybersecurity and Infrastructure Security Agency. “Smartbedded Meteobridge Command Injection Vulnerability”. Known Exploited Vulnerabilities Catalog, added 2 Oct 2025.
- ^ National Institute of Standards and Technology. “CVE-2025-4008 Detail”. National Vulnerability Database, published 21 May 2025.
- ^ Smartbedded. Advisories and fixes: forum.meteohub.de.
- ^ FIRST. “Exploit Prediction Scoring System”. EPSS 0.933, percentile 99.8, 31 Oct 2026.
- CVE Program. “CVE-2025-4008”. The official CVE record.
This article is built from CISA’s catalog (version 2026.10.30), NVD’s record and FIRST’s scores, kept in HARD’s database and checked every morning. The plain English is HARD’s.