CVE-2025-55613: tenda o3_firmware Classic Buffer Overflow
Analyzed
Published 22-08-2025Last modified 22-08-2025
Vulnerability summary
CVE-2025-55613 is a critical (CVSS 9.8) Classic Buffer Overflow vulnerability in tenda o3_firmware. EPSS estimates a 0.56% chance of exploitation in the next 30 days, higher than 45.7% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
9.8/10
010
Critical · v3.1 (CVE.org)EPSS score
0.56%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits1github
Timeline
- 22-08-2025PublishedVulnerability first disclosed.
- 22-08-2025Last modifiedVulnerability information updated.
Description
Tenda O3V2 1.0.0.12(3880) is vulnerable to Buffer Overflow in the fromSafeSetMacFilter function via the mac parameter.
CVSS metrics
2 scores · 2 sources · 1 versionCritical 9.8Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSourcesAll 2 agree
- NVDNIST9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.56%
Chance of exploitation in the next 30 days
Percentile
46%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.56% on 23-09-2026
23-09-202623-10-2026
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 foundMy Vuln
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Tenda1 product
- o3_firmware1.0.0.12\(3880\)
1 vendor · 1 product