Vulnerability in platform/vendor/qcom-opensource/wlan/qca-wifi-host-cmn (CVE-2020-26146)

Summary

vulnerability in platform/vendor/qcom-opensource/wlan/qca-wifi-host-cmn (CVE-2020-26146). Data can be tampered with by attackers. Mitigation: upgrade to `SoCVersion:2021-10-05` or later.

AI summary snake-internal / snake-material-v2

A vulnerability tracked as **CVE-2020-26146** has been found in platform/vendor/qcom-opensource/wlan/qca-wifi-host-cmn. Data can be tampered with by attackers. CVSS score: 5.3/10. What to do: upgrade platform/vendor/qcom-opensource/wlan/qca-wifi-host-cmn to **SoCVersion:2021-10-05** or later. If unsure, ask your IT team or search "platform/vendor/qcom-opensource/wlan/qca-wifi-host-cmn CVE-2020-26146" on the vendor's site.

CVE-2020-26146 (platform/vendor/qcom-opensource/wlan/qca-wifi-host-cmn) — CWE-20 / CVSS v3 5.3 Attack vector: adjacent-network / unauthenticated / no user interaction Patched: `SoCVersion:2021-10-05` — apply immediately Plan: 1) Audit SBOM/dependencies, 2) Stage→prod upgrade, 3) Add WAF/proxy monitoring on affected endpoints, 4) Hunt IOCs in logs. Refs: see the GHSA / vendor advisory / patched release linked on this page.

❓ What is the problem

**A vulnerability** (CWE-20) exists in platform/vendor/qcom-opensource/wlan/qca-wifi-host-cmn.

📍 Affected scope

platform/vendor/qcom-opensource/wlan/qca-wifi-host-cmn — .

🔥 Severity

Severity: Medium (CVSS 5.3/10). Data can be tampered with by attackers

🔧 How to fix

Update to **SoCVersion:2021-10-05**.

🛡️ Workaround

Until the patch is applied: disable the affected feature, apply WAF rules, or restrict access via network ACLs.

🔍 Detection

Search webserver/proxy logs for unusual request patterns matching this CVE's known IOCs. Run `grep -r 'platform/vendor/qcom-opensource/wlan/qca-wifi-host-cmn' .` against your dependency files (package-lock.json, requirements.txt, go.sum) to find affected services.

Response Actions (7 steps)

Concrete steps and command examples for SOC/SRE teams to execute in order

1
Identify exposure identify
```
grep -r 'platform/vendor/qcom-opensource/wlan/qca-wifi-host-cmn' . | grep -v node_modules
```
リポジトリと本番環境の依存ファイル (package-lock.json / requirements.txt / go.sum / Gemfile.lock 等) で `platform/vendor/qcom-opensource/wlan/qca-wifi-host-cmn` を grep し、稼働しているサービス・バージョンを把握する。
6
Apply patch patch
```
Upgrade platform/vendor/qcom-opensource/wlan/qca-wifi-host-cmn to SoCVersion:2021-10-05
```
ステージング環境で SoCVersion:2021-10-05 に上げて回帰テスト → 本番反映。回帰テストはアプリの主要ハッピーパスと、Step 3 で見つけた異常検知の続報チェックを含めること。
7
Post-deployment verification verify
```
Confirm patched version is live in production
```
パッチ適用後、ステージングで PoC または同等の悪用パターンを再現して脆弱性が閉じたことを確認。本番では Step 3 と同じログクエリでアラート再発が無いか継続監視。

Affected packages

Android platform/vendor/qcom-opensource/wlan/qca-wifi-host-cmn

[{"type":"ECOSYSTEM","events":[{"introduced":"SoCVersion:0"},{"fixed":"SoCVersion:2021-10-05"}]}]

Android platform/vendor/qcom-opensource/wlan/qcacld-3.0