CVE-2018-25029

Name: CVE-2018-25029
Creator: NVD / NIST
Published: 2022-02-04T23:15:09.73+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.1/10EPSS 0.61%

Last modified Jun 17, 2026

CVE-2018-25029 is a high-severity vulnerability rated 8.1/10 on the CVSS scale. The Z-Wave specification requires that S2 security can be downgraded to S0 or other less secure protocols, allowing an attacker within radio range during pairing to downgrade and then exploit a different vulnerability (CVE-2013-20003) to intercept and spoof traffic.. EPSS estimates a 0.61% chance of exploitation in the next 30 days.

Description

The Z-Wave specification requires that S2 security can be downgraded to S0 or other less secure protocols, allowing an attacker within radio range during pairing to downgrade and then exploit a different vulnerability (CVE-2013-20003) to intercept and spoof traffic.

Metrics

CVSS 3.1

8.1/10

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

EPSS Probability

0.61%

44.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-757

Affected Software

Vendor	Product	Versions
Silabs	Zgm130s037hgn Firmware	s2
Silabs	Zm5202 Firmware	s2
Silabs	Zm5101 Firmware	s2
Silabs	Zgm2305a27hgn Firmware	s2
Silabs	Zgm230sb27hgn Firmware	s2

References

https://community.silabs.com/s/share/a5U1M000000knqNUAQ/updated-your-zwave-smart-locks-are-safe-and-secureThird Party Advisory
https://www.pentestpartners.com/security-blog/z-shave-exploiting-z-wave-downgrade-attacks/Exploit, Third Party Advisory
https://community.silabs.com/s/share/a5U1M000000knqNUAQ/updated-your-zwave-smart-locks-are-safe-and-secureThird Party Advisory
https://www.pentestpartners.com/security-blog/z-shave-exploiting-z-wave-downgrade-attacks/Exploit, Third Party Advisory

Timeline

Published: Feb 4, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-25029?

How severe is CVE-2018-25029?

CVE-2018-25029 has a CVSS score of 8.1/10 (HIGH severity). The EPSS model estimates a 0.61% probability of exploitation in the next 30 days.

How do I fix CVE-2018-25029?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-25029?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST