Buffer overflow in Tenda Ax1803
CVE-2022-30040
Tenda AX1803 v1.0.0.1_2890 is vulnerable to Buffer Overflow. The vulnerability lies in rootfs_ In / goform / setsystimecfg of / bin / tdhttpd in ubif file system, attackers can access http://ip/goform/SetSysTimeCfg, and by setting the ntpserve parameter, the stack buffer overflow can be caused to achieve the effect of router denial of service.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.019 (78.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 79th percentile — 78.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.019 · newest: 0.019 · change: +0.000
Affected products
- Tenda Ax1803
- Tenda Ax1803 Firmware — versions 1.0.0.1_2890
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/Le1a/Tenda-AX1803-Denial-of-service (Exploit, Third Party Advisory)
- github.com/Le1a/CVE-2022-30040 (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2022-30040?
- CVE-2022-30040 is a high-severity vulnerability in Tenda Ax1803, classified under Out-of-bounds Write. CVSS score: 7.5/10. Published 2022-05-11.
- How severe is CVE-2022-30040?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2022-30040 known to be exploited?
- 12 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.