CVE-2022-46475: dlink dir-645_firmware Out-of-bounds Write
CVSS: 9.8v3.1CriticalModified
Published 17-01-2023Last modified 03-04-2025
Vulnerability summary
CVE-2022-46475 is a critical (CVSS 9.8) Out-of-bounds Write vulnerability in dlink dir-645_firmware. EPSS estimates a 9.53% chance of exploitation in the next 30 days, higher than 95.4% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
9.8/10
010
Critical · v3.1 (CVE.org)EPSS score
9.53%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github
Timeline
- 17-01-2023PublishedVulnerability first disclosed.
- 03-04-2025Last modifiedVulnerability information updated.
Description
D-Link DIR 645A1 1.06B01_Beta01 was discovered to contain a stack overflow via the service= variable in the genacgi_main function.
CVSS metrics
2 scores · 2 sources · 1 versionCritical 9.8Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSourcesAll 2 agree
- NVDNIST9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
9.53%
Chance of exploitation in the next 30 days
Percentile
95%
Versus all other CVEs
30-day change
0.00 pp
From 9.53% on 19-09-2026
19-09-202619-10-2026
EPSS score9.53%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundIot
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Dlink1 product
- dir-645_firmware1.06b01_beta01
1 vendor · 1 product
References
1 links- github.com/Insight8991/iot/blob/main/DIR-645%20genacgi%20Stack%20overflow.mdExploitThird Party Advisory