HOMEVULNERABILITIESCVE-2018-25029
HIGH

CVE-2018-25029

CWE-757Published: February 4, 2022· Updated: Jun 17, 2026

8.1
CVSS v3.1

Official 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.

NVD Source

Technical Analysis

CVE-2018-25029 requires adjacent network access, limiting remote exploitation but still posing risk in shared or local network environments.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), with a CVSS base score of 8.1.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorAdjacent
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityNone
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Affected Vendors & Products

silabs10 product(s)
zgm130s037hgn firmwarezgm130s037hgnzm5202 firmwarezm5202zm5101 firmwarezm5101zgm2305a27hgn firmwarezgm2305a27hgnzgm230sb27hgn firmwarezgm230sb27hgn
Source: NVD CPE · 10 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttps://community.silabs.com/s/share/a5U1M000000knqNUAQ/updated-your-zwave-smart-locks-are-safe-and-secure
ADVISORYhttps://www.pentestpartners.com/security-blog/z-shave-exploiting-z-wave-downgrade-attacks/
ADVISORYhttps://community.silabs.com/s/share/a5U1M000000knqNUAQ/updated-your-zwave-smart-locks-are-safe-and-secure
ADVISORYhttps://www.pentestpartners.com/security-blog/z-shave-exploiting-z-wave-downgrade-attacks/

All References (4)

→
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

Quick Facts

CVE IDCVE-2018-25029
CVSS Score8.1 / 10
SeverityHIGH
WeaknessCWE-757
CISA KEVNo
Affected1 vendor(s)
PublishedFeb 4, 2022

Related CVEs (CWE-757)

CVE-2024-4995
9.8
CVE-2024-38883
9.1
CVE-2019-14887
9.1
CVE-2024-8773
8.3
CVE-2023-2974
8.1
CVE-2022-23000
7.8

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2018-25029 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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