# CVE-2022-26393: Format String vulnerability

> An attacker can exploit a format string vulnerability in the Baxter Spectrum WBM to read sensitive memory or cause a denial of service.

- **Severity:** Medium 5.0 (`CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 9 Sep 2022
- **Updated:** 16 Sep 2024
- **Also known as:** GHSA-7jwf-qrf9-jrfx

## What is CVE-2022-26393?

CVE-2022-26393 is a medium-severity vulnerability in Baxter Spectrum Wireless Battery Module (WBM), published on 9 Sep 2022. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

The Baxter Spectrum WBM is susceptible to format string attacks via application messaging. An attacker could use this to read memory in the WBM to access sensitive information or cause a Denial of Service (DoS) on the WBM.

Weakness: CWE-134 (Use of Externally-Controlled Format String)

## Which versions are affected by CVE-2022-26393?

It affects 4 products.


Products: Baxter Baxter Spectrum Iq 35700bax3 Firmware, Baxter Sigma Spectrum 35700bax2 Firmware, Baxter Sigma Spectrum 35700bax Firmware, Baxter Spectrum Wireless Battery Module Firmware.

## How do I fix CVE-2022-26393?

No fix has been published for CVE-2022-26393 yet. Limit exposure of the affected software until one is available.

## Is CVE-2022-26393 being exploited?

There is no known exploitation of CVE-2022-26393 in the wild and no public exploit code.

## Other vulnerabilities in Baxter Spectrum Wireless Battery Module (WBM)

- [CVE-2022-26394](https://insights.sbomify.com/CVE-2022-26394/): Unauthenticated network reconfiguration via TCP/UDP (medium 5.5)
- [CVE-2022-26390](https://insights.sbomify.com/CVE-2022-26390/): Unencrypted internal storage of security credentials (medium 4.2)
- [CVE-2022-26392](https://insights.sbomify.com/CVE-2022-26392/): Format String vulnerability (low 3.1)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2022-26393 and fix it if it is affected.

What it is: CVE-2022-26393 is a medium-severity vulnerability in Baxter Spectrum Wireless Battery Module (WBM), published on 9 Sep 2022. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2022-26393 in the wild and no public exploit code.

Affected product: Baxter Spectrum Wireless Battery Module (WBM). 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-2022-26393/ (Markdown: https://insights.sbomify.com/CVE-2022-26393/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2022-26393
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2022-26393
- OSV: https://osv.dev/vulnerability/CVE-2022-26393

---
From sbomify Insights: https://insights.sbomify.com/CVE-2022-26393/
Summaries are generated and may contain mistakes; the official description above is the record.