# CVE-2019-15656: Information disclosure in n/a

> Attackers can retrieve sensitive credentials from D-Link DSL routers via a crafted request to the web management interface.

- **Severity:** High 7.5 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 19 Mar 2020
- **Updated:** 5 Aug 2024
- **Also known as:** GHSA-h528-f7w4-rg4j

## What is CVE-2019-15656?

CVE-2019-15656 is a high-severity vulnerability in n/a, published on 19 Mar 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

D-Link DSL-2875AL and DSL-2877AL devices through 1.00.05 are prone to information disclosure via a simple crafted request to index.asp on the web management server because of username_v and password_v variables.

Weakness: CWE-522 (Insufficiently Protected Credentials), CWE-200 (Exposure of Sensitive Information to an Unauthorized Actor)

## Which versions are affected by CVE-2019-15656?

It affects 2 products.


Products: Dlink Dsl-2875al Firmware, Dlink Dsl-2877al Firmware.

## How do I fix CVE-2019-15656?

No fix has been published for CVE-2019-15656 yet. Limit exposure of the affected software until one is available.

## Is CVE-2019-15656 being exploited?

There is no known exploitation of CVE-2019-15656 in the wild and no public exploit code.

## Other vulnerabilities in n/a

- [CVE-2019-15655](https://insights.sbomify.com/CVE-2019-15655/): Information disclosure in n/a (high 7.5)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2019-15656 and fix it if it is affected.

What it is: CVE-2019-15656 is a high-severity vulnerability in n/a, published on 19 Mar 2020. 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-2019-15656 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-2019-15656/ (Markdown: https://insights.sbomify.com/CVE-2019-15656/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2019-15656
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2019-15656
- OSV: https://osv.dev/vulnerability/CVE-2019-15656

---
From sbomify Insights: https://insights.sbomify.com/CVE-2019-15656/
Summaries are generated and may contain mistakes; the official description above is the record.