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CVE-2022-40112

25
FAUCET Score

CVE-2022-40112 describes a buffer overflow vulnerability in TOTOLINK A3002R firmware version TOTOLINK-A3002R-He-V1.1.1-B20200824.0128, specifically affecting the hostname parameter in the /bin/boa binary. Rated 7.5 HIGH, this vulnerability is network-exploitable with low attack complexity, requiring no user interaction, and could lead to a denial of service. Currently, there is no evidence of active exploitation, public exploit code, or significant community discussion or media coverage, indicating a low immediate threat.

Impacted Technologies

VendorProductVersion(s)CPE
1.1.1-b20200824.0128CPE matchmatch criteria
cpe:2.3:o:totolink:a3002r_firmware:1.1.1-b20200824.0128:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.73%
Probability of exploitation in next 30 days
EPSS Percentile
50.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0073 is in the 26th percentile among its peer group of 51,551 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

github.com / 1759134370/iot/blob/main/TOTOLINK/A3002R/3.md
Broken LinkThird Party Advisory