CVE-2023-43235: dlink dir-823g_firmware Out-of-bounds Write
CVSS: 9.8v3.1CriticalModified
Published 21-09-2023Last modified 25-09-2024
Vulnerability summary
CVE-2023-43235 is a critical (CVSS 9.8) Out-of-bounds Write vulnerability in dlink dir-823g_firmware. EPSS estimates a 1.28% chance of exploitation in the next 30 days, higher than 69.8% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
9.8/10
010
Critical · v3.1 (NVD)EPSS score
1.28%
0%100%
Low · +0.25 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github
Timeline
- 21-09-2023PublishedVulnerability first disclosed.
- 25-09-2024Last modifiedVulnerability information updated.
Description
D-Link DIR-823G v1.0.2B05 was discovered to contain a stack overflow via parameter StartTime and EndTime in SetWifiDownSettings.
CVSS metrics
1 score · 1 source · 1 versionCritical 9.8Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSourcesSingle source
EPSS trend
Probability
1.28%
Chance of exploitation in the next 30 days
Percentile
70%
Versus all other CVEs
30-day change
+0.25 pp
From 1.04% on 21-09-2026
21-09-202621-10-2026
EPSS score1.28%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundFounded 0 Days
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Dlink1 product
- dir-823g_firmware1.0.2b05
1 vendor · 1 product
References
2 links- www.dlink.com/en/security-bulletin/Vendor Advisory
- github.com/peris-navince/founded-0-days/blob/main/Dlink/823G/SetWifiDownSettings/1.mdExploitThird Party Advisory