CVE-2021-38278: tendacn ac10_firmware Out-of-bounds Write
CVSS: 9.8v3.1CriticalModified
Published 23-03-2022Last modified 04-08-2024
Vulnerability summary
CVE-2021-38278 is a critical (CVSS 9.8) Out-of-bounds Write vulnerability in tendacn ac10_firmware. EPSS estimates a 1.41% chance of exploitation in the next 30 days, higher than 72.4% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
9.8/10
010
Critical · v3.1 (NVD)EPSS score
1.41%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference
Timeline
- 23-03-2022PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
Tenda AC10-1200 v15.03.06.23_EN was discovered to contain a buffer overflow via the urls parameter in the saveParentControlInfo function.
CVSS metrics
2 scores · 1 source · 2 versionsCritical 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
High 7.5Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
1.41%
Chance of exploitation in the next 30 days
Percentile
72%
Versus all other CVEs
30-day change
0.00 pp
From 1.41% on 22-09-2026
22-09-202622-10-2026
EPSS score1.41%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (noob3xploiter.medium.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Tendacn1 product
- ac10_firmware15.03.06.23
1 vendor · 1 product
References
1 links- noob3xploiter.medium.com/hacking-the-tenda-ac10-1200-router-part-2-strcpy-buffer-overflow-92cd88e1d503X Refsource MISCExploitVendor Advisory