CVE-2022-40109

TOTOLINK A3002R TOTOLINK-A3002R-He-V1.1.1-B20200824.0128 is vulnerable to Insecure Permissions via binary /bin/boa.

Published: 2022-09-06 Last update: 2024-11-21 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2022-40109 is rated Moderate Risk (58.6/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 0.32%). Mandatory action: Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2022-40109

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-09-07 0.07% 0.32% +0.25%
2 2025-03-30 0.23% 0.07% -0.16%
3 2025-03-29 0.23%

Full EPSS history (19 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2022-40109

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.8 3.1 CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
3.9 5.9 [email protected]

Weakness enumeration for CVE-2022-40109

Affected software / configurations for CVE-2022-40109

Vendor Product Version Raw CPE
totolink a3002r_firmware 1.1.1-b20200824.0128 cpe:2.3:o:totolink:a3002r_firmware:1.1.1-b20200824.0128:*:*:*:*:*:*:*

References for CVE-2022-40109

URL Tags
https://github.com/1759134370/iot/blob/main/TOTOLINK/A3002R/1.md Broken Link Third Party Advisory
cvelogic Threat Intelligence