CVE-2022-37839: totolink a860r_firmware Classic Buffer Overflow
CVSS: 9.8v3.1CriticalModified
Published 06-09-2022Last modified 03-08-2024
Vulnerability summary
CVE-2022-37839 is a critical (CVSS 9.8) Classic Buffer Overflow vulnerability in totolink a860r_firmware. EPSS estimates a 0.93% chance of exploitation in the next 30 days, higher than 60.2% of scored vulnerabilities.
CVSS score
9.8/10
010
Critical · v3.1 (NVD)EPSS score
0.93%
0%100%
Low · +0.02 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 06-09-2022PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
TOTOLINK A860R V4.1.2cu.5182_B20201027 is vulnerable to Buffer Overflow via Cstecgi.cgi.
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
0.93%
Chance of exploitation in the next 30 days
Percentile
60%
Versus all other CVEs
30-day change
+0.02 pp
From 0.91% on 21-09-2026
21-09-202621-10-2026
EPSS score0.93%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Totolink1 product
- a860r_firmware4.1.2cu.5182_b20201027
1 vendor · 1 product
References
1 links- github.com/1759134370/iot/blob/main/TOTOLINK/A860R/5.mdX Refsource MISCBroken LinkThird Party Advisory