CVE-2022-34973: dlink dir-820l_firmware Classic Buffer Overflow
CVSS: 7.5v3.1HighAnalyzed
Published 03-08-2022Last modified 03-08-2024
Vulnerability summary
CVE-2022-34973 is a high (CVSS 7.5) Classic Buffer Overflow vulnerability in dlink dir-820l_firmware. EPSS estimates a 15.52% chance of exploitation in the next 30 days, higher than 96.8% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
7.5/10
010
High · v3.1 (NVD)EPSS score
15.52%
0%100%
Medium · +0.42 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github
Timeline
- 03-08-2022PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
D-Link DIR820LA1_FW106B02 was discovered to contain a buffer overflow via the nextPage parameter at ping.ccp.
CVSS metrics
1 score · 1 source · 1 versionHigh 7.5Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HSourcesSingle source
EPSS trend
Probability
15.52%
Chance of exploitation in the next 30 days
Percentile
97%
Versus all other CVEs
30-day change
+0.42 pp
From 15.10% on 21-09-2026
21-09-202621-10-2026
EPSS score15.52%
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-820l_firmware1.06b02
1 vendor · 1 product
References
2 links- github.com/1759134370/iot/blob/main/DIR-820L.mdX Refsource MISCBroken LinkExploitThird Party Advisory