CVE-2022-30040 Memory corruption in n/a
Attackers can cause a denial of service on Tenda AX1803 routers by triggering a stack buffer overflow via the SetSysTimeCfg endpoint.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2022-30040?
CVE-2022-30040 is a high-severity memory corruption vulnerability in Tenda Ax1803 Firmware, published on 11 May 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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.
Weakness: CWE-787
Which versions are affected by CVE-2022-30040?
It affects 1 product.
Products include Tenda Ax1803 Firmware.
How do I fix CVE-2022-30040?
No fix has been published for CVE-2022-30040 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2022-30040 being exploited?
There is no known exploitation of CVE-2022-30040 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Other vulnerabilities in Tenda Ax1803 Firmware
Sources
Also known as GHSA-ppjc-pf2v-9xvx.