CVE-2025-25664: tenda ac8_firmware Out-of-bounds Write
CVSS: 9.8v3.1CriticalAnalyzed
Published 20-02-2025Last modified 21-02-2025
Vulnerability summary
CVE-2025-25664 is a critical (CVSS 9.8) Out-of-bounds Write vulnerability in tenda ac8_firmware. EPSS estimates a 0.55% chance of exploitation in the next 30 days, higher than 45.3% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
9.8/10
010
Critical · v3.1 (CVE.org)EPSS score
0.55%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github
Timeline
- 20-02-2025PublishedVulnerability first disclosed.
- 21-02-2025Last modifiedVulnerability information updated.
Description
Tenda AC8V4 V16.03.34.06 was discovered to contain a stack overflow via the shareSpeed parameter in the sub_49E098 function.
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
0.55%
Chance of exploitation in the next 30 days
Percentile
45%
Versus all other CVEs
30-day change
0.00 pp
From 0.55% on 21-09-2026
21-09-202621-10-2026
EPSS score0.55%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundMy Vuln
Maturity: poc
Weaknesses
CWE · root cause- CWE-787Out-of-bounds WriteThe product writes data past the end, or before the beginning, of the intended buffer.
- CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer.
Affected systems
Tenda1 product
- ac8_firmware16.03.34.06
1 vendor · 1 product
References
1 links- github.com/jangfan/my-vuln/blob/main/Tenda/AC8V4/SetIpMacBind.mdBroken LinkExploitThird Party Advisory