CVE-2022-44158: tenda ac21_firmware Out-of-bounds Write
Modified
Published 21-11-2022Last modified 29-04-2025
Vulnerability summary
CVE-2022-44158 is a high (CVSS 7.5) Out-of-bounds Write vulnerability in tenda ac21_firmware. EPSS estimates a 0.85% chance of exploitation in the next 30 days, higher than 57.9% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
7.5/10
010
High · v3.1 (CVE.org)EPSS score
0.85%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits1reference
Timeline
- 21-11-2022PublishedVulnerability first disclosed.
- 29-04-2025Last modifiedVulnerability information updated.
Description
Tenda AC21 V16.03.08.15 is vulnerable to Buffer Overflow via function via set_device_name.
CVSS metrics
2 scores · 2 sources · 1 versionHigh 7.5Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HSourcesAll 2 agree
- NVDNIST7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.85%
Chance of exploitation in the next 30 days
Percentile
58%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.85% on 22-09-2026
22-09-202622-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
1 foundExploit Reference (drive.google.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Tenda1 product
- ac21_firmware16.03.08.15
1 vendor · 1 product
References
1 links- drive.google.com/file/d/11PSsUpLmLCl0-eO565TLbVavzfP5aWdG/view?usp=sharingExploitThird Party Advisory