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CVE-2025-57808
Vulnerability in esphome (CVE-2025-57808)
Summary
vulnerability in esphome (CVE-2025-57808). Confidential information can be exposed externally. Exploitable via ``web_server``. Mitigation: upgrade to `2025.8.1` or later.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2025-57808** has been found in esphome.
Attackers can target a specific entry point like ``web_server`` over the network to misuse the product.
Confidential information can be exposed externally. CVSS score: ?/10.
What to do: upgrade esphome to **2025.8.1** or later.
If unsure, ask your IT team or search "esphome CVE-2025-57808" on the vendor's site.
CVE-2025-57808 (esphome) — CWE-187 /
Attack vector: adjacent-network / unauthenticated / no user interaction
Attack surface: `web_server` / `Authorization` / `web_server_idf` / `dXNlcjpz`
Patched: `2025.8.1` — 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-187) exists in esphome. Attackers reach the vulnerable code path via ``web_server`` without authentication.
📍 Affected scope
esphome — . Attack surface: `web_server` / `Authorization` / `web_server_idf` / `dXNlcjpz`.
🔥 Severity
Severity: ?. Confidential information can be exposed externally
🔧 How to fix
Update to **2025.8.1**.
🛡️ 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 'esphome' .` 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
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1Identify exposure identify
grep -r 'esphome' . | 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 `esphome` を grep し、稼働しているサービス・バージョンを把握する。
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6Apply patch patch
Upgrade esphome to 2025.8.1ステージング環境で 2025.8.1 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。
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7Post-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
PyPI
esphome
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2025.8.1"}]}]
References
- advisory https://nvd.nist.gov/vuln/detail/CVE-2025-57808
- advisory https://github.com/advisories/GHSA-mxh2-ccgj-8635
- package https://github.com/esphome/esphome
- package https://pypi.org/project/esphome
- web https://github.com/esphome/esphome/security/advisories/GHSA-mxh2-ccgj-8635
- web https://github.com/esphome/esphome/commit/2aceb56606ec8afec5f49c92e140c8050a6ccbe5