CVE-2022-40111: totolink a3002r_firmware Use of Hard-coded Credentials
CVSS: 9.8v3.1CriticalModified
Published 06-09-2022Last modified 03-08-2024
Vulnerability summary
CVE-2022-40111 is a critical (CVSS 9.8) Use of Hard-coded Credentials vulnerability in totolink a3002r_firmware. EPSS estimates a 0.88% chance of exploitation in the next 30 days, higher than 58.6% of scored vulnerabilities.
CVSS score
9.8/10
010
Critical · v3.1 (NVD)EPSS score
0.88%
0%100%
Low · +0.01 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
In TOTOLINK A3002R TOTOLINK-A3002R-He-V1.1.1-B20200824.0128 in the shadow.sample file, root is hardcoded in the firmware.
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
0.88%
Chance of exploitation in the next 30 days
Percentile
59%
Versus all other CVEs
30-day change
+0.01 pp
From 0.87% on 21-09-2026
21-09-202621-10-2026
EPSS score0.88%
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
- a3002r_firmware1.1.1-b20200824.0128
1 vendor · 1 product
References
1 links- github.com/1759134370/iot/blob/main/TOTOLINK/A3002R/4.mdX Refsource MISCBroken LinkThird Party Advisory