# CVE-2026-27755: SODOLA SL902-SWTGW124AS <= 200.1.20 Predictable Session ID

> Attackers can forge authenticated sessions by predicting MD5-based cookies, bypassing login and gaining unauthorized access to the device.

- **Severity:** Critical 9.3 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 27 Feb 2026
- **Updated:** 2 Mar 2026
- **Also known as:** GHSA-pgqj-4vx9-9f56

## What is CVE-2026-27755?

CVE-2026-27755 is a critical vulnerability in Shenzhen Hongyavision Technology Co., Ltd. (Sodola Networks) SODOLA SL902-SWTGW124AS, published on 27 Feb 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

SODOLA SL902-SWTGW124AS firmware versions through 200.1.20 contain a weak session identifier generation vulnerability that allows attackers to forge authenticated sessions by computing predictable MD5-based cookies. Attackers who know or guess valid credentials can calculate the session identifier offline and bypass authentication without completing the login flow, gaining unauthorized access to the device.

Weakness: CWE-330 (Use of Insufficiently Random Values)

## Which versions are affected by CVE-2026-27755?

It affects 1 product.


Products: Sodola-Network Sl902-Swtgw124as Firmware.

## How do I fix CVE-2026-27755?

No fix has been published for CVE-2026-27755 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-27755 being exploited?

There is no known exploitation of CVE-2026-27755 in the wild and no public exploit code.

## Other vulnerabilities in Shenzhen Hongyavision Technology Co., Ltd. (Sodola Networks) SODOLA SL902-SWTGW124AS

- [CVE-2026-27751](https://insights.sbomify.com/CVE-2026-27751/): SODOLA SL902-SWTGW124AS <= 200.1.20 Use of Default Credentials (critical 9.3)
- [CVE-2026-27752](https://insights.sbomify.com/CVE-2026-27752/): SODOLA SL902-SWTGW124AS <= 200.1.20 Cleartext Credential Transmission (high 8.2)
- [CVE-2026-27757](https://insights.sbomify.com/CVE-2026-27757/): SODOLA SL902-SWTGW124AS <= 200.1.20 Unverified Password Change (high 7.1)
- [CVE-2026-27753](https://insights.sbomify.com/CVE-2026-27753/): SODOLA SL902-SWTGW124AS <= 200.1.20 Improper Login Rate Limiting (medium 6.9)
- [CVE-2026-27754](https://insights.sbomify.com/CVE-2026-27754/): SODOLA SL902-SWTGW124AS <= 200.1.20 MD5 Session Token Generation (medium 6.9)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-27755 and fix it if it is affected.

What it is: CVE-2026-27755 is a critical vulnerability in Shenzhen Hongyavision Technology Co., Ltd. (Sodola Networks) SODOLA SL902-SWTGW124AS, published on 27 Feb 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2026-27755 in the wild and no public exploit code.

Affected product: Shenzhen Hongyavision Technology Co., Ltd. (Sodola Networks) SODOLA SL902-SWTGW124AS. 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-2026-27755/ (Markdown: https://insights.sbomify.com/CVE-2026-27755/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-27755
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-27755
- OSV: https://osv.dev/vulnerability/CVE-2026-27755

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From sbomify Insights: https://insights.sbomify.com/CVE-2026-27755/
Summaries are generated and may contain mistakes; the official description above is the record.