CVE-2022-44373: trendnet tew-820ap_firmware Out-of-bounds Write
CVSS: 8.8v3.1HighModified
Published 07-12-2022Last modified 23-04-2025
Vulnerability summary
CVE-2022-44373 is a high (CVSS 8.8) Out-of-bounds Write vulnerability in trendnet tew-820ap_firmware. EPSS estimates a 1.56% chance of exploitation in the next 30 days, higher than 75% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
8.8/10
010
High · v3.1 (CVE.org)EPSS score
1.56%
0%100%
Low · +0.06 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github
Timeline
- 07-12-2022PublishedVulnerability first disclosed.
- 23-04-2025Last modifiedVulnerability information updated.
Description
A stack overflow vulnerability exists in TrendNet Wireless AC Easy-Upgrader TEW-820AP (Version v1.0R, firmware version 1.01.B01) which may result in remote code execution.
CVSS metrics
2 scores · 2 sources · 1 versionHigh 8.8Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HSourcesAll 2 agree
- NVDNIST8.8HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
1.56%
Chance of exploitation in the next 30 days
Percentile
75%
Versus all other CVEs
30-day change
+0.06 pp
From 1.51% on 21-09-2026
21-09-202621-10-2026
EPSS score1.56%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundVulner Box
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Trendnet1 product
- tew-820ap_firmware1.01.b01
1 vendor · 1 product
References
1 links- github.com/johnawm/vulner-box/blob/master/TRENDNet/TEW-820AP/02/README.mdExploitThird Party Advisory