# CVE-2023-3703: Proscend Advice ICR Series routers fw version 1.76

> Proscend Advice ICR Series routers use default credentials, allowing attackers to gain unauthorized administrative access.

- **Severity:** Critical 10.0 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 3 Sep 2023
- **Updated:** 30 Sep 2024
- **Also known as:** GHSA-p24j-phqw-pqf4

## What is CVE-2023-3703?

CVE-2023-3703 is a critical vulnerability in Proscend Advice ICR Series routers FW, published on 3 Sep 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

Proscend Advice ICR Series routers FW version 1.76 - CWE-1392: Use of Default Credentials

Weakness: CWE-1392 (Use of Default Credentials)

## Which versions are affected by CVE-2023-3703?

It affects 20 products.


Products: Proscend A510-F1 Firmware, Proscend A510-L1 Firmware, Proscend A520i-F1 Firmware, Proscend A543i-L1 Firmware, Proscend A551i-F1 Firmware, Proscend A551i-F4 Firmware, Proscend A552i-F1 Firmware, Proscend M301-G Firmware, Proscend M301-Gw Firmware, Proscend M330-W5 Firmware, Proscend M330-W Firmware, Proscend M331 Firmware, Proscend M350-5g Firmware, Proscend M350-6 Firmware, Proscend M350-W5g Firmware, Proscend M350-W6 Firmware, Proscend M357-5g Firmware, Proscend M357-Ai Firmware, Proscend M360-P Firmware, Proscend M560-5g Firmware.

## How do I fix CVE-2023-3703?

No fix has been published for CVE-2023-3703 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-3703 being exploited?

There is no known exploitation of CVE-2023-3703 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-3703 and fix it if it is affected.

What it is: CVE-2023-3703 is a critical vulnerability in Proscend Advice ICR Series routers FW, published on 3 Sep 2023. 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-2023-3703 in the wild and no public exploit code.

Affected product: Proscend Advice ICR Series routers FW. 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-2023-3703/ (Markdown: https://insights.sbomify.com/CVE-2023-3703/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-3703
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-3703
- OSV: https://osv.dev/vulnerability/CVE-2023-3703

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-3703/
Summaries are generated and may contain mistakes; the official description above is the record.