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CVE-2022-24936

28
FAUCET Score

CVE-2022-24936 is a critical out-of-bounds error in the GBL parser of Silicon Labs Gecko Bootloader versions 4.0.1 and earlier. This vulnerability allows an unauthenticated attacker to remotely overwrite the flash Sign key and OTA decryption key through a malicious bootloader upgrade. With a CVSS score of 9.1, this flaw presents a high impact on integrity and availability, enabling unauthorized modification of critical system components. Despite its severity, there is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 4.0.1CPE matchmatch criteria
cpe:2.3:a:silabs:gecko_bootloader:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.3HIGH

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

Attack Vector
ADJACENT_NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.5
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.80%
Probability of exploitation in next 30 days
EPSS Percentile
53.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0080 is in the 37th percentile among its peer group of 36,833 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

community.silabs.com / sfc/servlet.shepherd/document/download/0698Y00000Gdop4QAB
Permissions RequiredVendor Advisory
github.com / SiliconLabs/gecko_sdk/blame/2e82050dc8823c9fe0e8908c1b2666fb83056230/platform/bootloader/core/btl_bootload.c
ExploitThird Party Advisory