CVE-2023-24800: dlink dir-878_firmware Out-of-bounds Write
CVSS: 9.8v3.1CriticalModified
Published 07-04-2023Last modified 13-02-2025
Vulnerability summary
CVE-2023-24800 is a critical (CVSS 9.8) Out-of-bounds Write vulnerability in dlink dir-878_firmware. EPSS estimates a 1.30% chance of exploitation in the next 30 days, higher than 70.1% of scored vulnerabilities.
CVSS score
9.8/10
010
Critical · v3.1 (CVE.org)EPSS score
1.30%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 07-04-2023PublishedVulnerability first disclosed.
- 13-02-2025Last modifiedVulnerability information updated.
Description
D-Link DIR878 DIR_878_FW120B05 was discovered to contain a stack overflow in the sub_495220 function. This vulnerability allows attackers to cause a Denial of Service (DoS) or execute arbitrary code via a crafted payload.
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
1.30%
Chance of exploitation in the next 30 days
Percentile
70%
Versus all other CVEs
30-day change
0.00 pp
From 1.30% on 21-09-2026
21-09-202621-10-2026
EPSS score1.30%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Dlink1 product
- dir-878_firmware1.20b05
1 vendor · 1 product
References
2 links- www.dlink.com/en/security-bulletin/Vendor Advisory
- github.com/DrizzlingSun/D-link/blob/main/Dir878/3/3.mdThird Party Advisory