CVE-2021-43517 FOSCAM Camera FI9805E with firmware V4.02.R12.00018510.10012.143900.00000 contains a backdoor that opens Telnet port when special command is sent on port 9530.
Critical 9.8
Published
Updated
Check this codebase for CVE-2021-43517 and fix it if it is affected.
What it is: CVE-2021-43517 is a critical vulnerability in n/a, published on 8 Apr 2022.
Exploitation: There is no known exploitation of CVE-2021-43517 in the wild and no public exploit code.
Affected product: n/a. No package-level version data is available, so check the vendor advisory linked from the reference page.
Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.
Reference: https://insights.sbomify.com/CVE-2021-43517/ (Markdown: https://insights.sbomify.com/CVE-2021-43517/index.md)
- Exploited in the wild
- Not known
- Fix
- None listed
What is CVE-2021-43517?
CVE-2021-43517 is a critical vulnerability in n/a, published on 8 Apr 2022.
Official description
FOSCAM Camera FI9805E with firmware V4.02.R12.00018510.10012.143900.00000 contains a backdoor that opens Telnet port when special command is sent on port 9530.
Which versions are affected by CVE-2021-43517?
It affects 1 product.
Products include Foscam Fi9805e Firmware.
How do I fix CVE-2021-43517?
No fix has been published for CVE-2021-43517 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-43517 being exploited?
There is no known exploitation of CVE-2021-43517 in the wild and no public exploit code.
Sources
Also known as GHSA-jwqr-7c83-vxpx.