offensive-wpa3-sae

offensive-wpa3-sae is a skill for Claude Code, Codex from Miosa-osa/OSA. It costs 142 tokens per session (2,052 once invoked), scanned B, a copy of offensive-wpa3-sae, Apache-2.0.

A guide to assessing WPA3 wireless security, including SAE, the authentication method used by WPA3. It covers downgrade risks in networks that support both WPA2 and WPA3, known Dragonblood issues, authentication flooding, timing analysis, group downgrades, and 6 GHz networks.

In plain words
What is it for?
It is for reviewing WPA3 and Wi-Fi 6E configurations, testing transition-mode downgrade exposure, examining SAE behavior, and assessing whether access points handle authentication and cryptographic groups safely.
Why use it?
It helps testers understand weaknesses that can appear in WPA3 deployments and mixed WPA2/WPA3 configurations. This reduces the need to research each attack area separately.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one.

Good fit It is for reviewing WPA3 and Wi-Fi 6E configurations, testing transition-mode downgrade exposure, examining SAE behavior, and assessing whether access points handle authentication and cryptographic groups safely.

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Install with agentmods
npx agentmods add skills/miosa-osa/osa/offensive-wpa3-sae
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Any agent
npx skills add Miosa-osa/OSA --skill offensive-wpa3-sae
Clone the repo
git clone --depth 1 https://github.com/Miosa-osa/OSA

Made for: Claude Code, Codex.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for offensive-wpa3-sae

README.md
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Your own site
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Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

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Your own site · 80×15
<a href="https://agentmods.dev/skills/miosa-osa/osa/offensive-wpa3-sae"><img src="https://agentmods.dev/badge/skills/miosa-osa/osa/offensive-wpa3-sae.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 142 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,052 The whole file, excluding the scripts and references it only reads on demand.
Security scan B 1 finding. A grade says what 26 rules found in the file — not that it is safe.
Origin 89% copy Near-identical to another mod in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00142 $0.02052
Opus 5.5 $0.00057 $0.00821
Sonnet 5.5 $0.00028 $0.00410
Haiku 4.5 $0.00014 $0.00205

Measured 1mo ago against content hash eed114e0cab3, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade B, and why

offensive-wpa3-sae scanned grade B with 1 finding against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 1mo ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Asks for rootmediumPrivilege escalation

A mod that escalates privileges can change anything on the machine, not only the project.

sudo airodump-ng wlan0mon -c <ch> --bssid <BSSID>
Origin

This is a copy

89% identical to offensive-wpa3-sae — 40 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.

priv/skills/offensive-wpa3-sae/SKILL.md · 200 lines

How it starts

The opening of the file, as written. The whole thing — 200 lines — stays where its author put it; the contents beside it link to each section on GitHub.

WPA3 / SAE Attacks

WPA3 fixes the offline-handshake-cracking weakness of WPA2 by replacing the 4-way PSK exchange with SAE (a Dragonfly-derived password-authenticated key exchange). The straightforward offline crack disappears — but transition-mode misconfigurations and the original SAE implementation's side-channel leaks open new paths.

Quick Workflow

  1. Verify the target advertises WPA3 (RSN IE shows AKM SAE = 8)
  2. Check for transition-mode (mixed WPA2 + WPA3) — easiest path
  3. If pure WPA3, fingerprint the AP's hostapd version for Dragonblood applicability
  4. Side-channel timing or cache attacks if reachable
  5. Otherwise, accept that offline cracking isn't viable — pivot to other surfaces

Transition-Mode Downgrade

If the AP advertises both WPA2-PSK and WPA3-SAE (transition mode for mixed-client networks), older clients can be forced onto WPA2:

# Identify transition mode in beacon frames
sudo airodump-ng wlan0mon -c <ch> --bssid <BSSID>
# Encryption column shows WPA2 WPA3 (both)

Steps:

  1. Spoof a beacon advertising only RSN-WPA2 with the same BSSID/SSID
  2. Client roams to your beacon, performs WPA2 4-way handshake
  3. Capture handshake exactly like offensive-wpa2-psk
# Use hostapd-mana or airbase-ng for the WPA2-only AP advertisement
airbase-ng -e CorpWiFi -c 6 -W 1 wlan0mon
# -W 1 enables WPA, configure for WPA2-only RSN element

Why this works: WPA3-SAE clients fall back to WPA2-PSK if the AP only advertises WPA2 — there's no protected downgrade defense in transition mode. WPA3-only mode (no transition) blocks this.

Mitigation defenders use: WPA3-only networks (no WPA2). Wi-Fi 6E (6 GHz) mandates WPA3-only by spec.

Dragonblood (CVE-2019-9494 / 9495 / 13377 / 13456)

Side-channel and downgrade attacks against the SAE Hunting-and-Pecking algorithm in pre-2.10 hostapd / wpa_supplicant.

Cache-Based Side-Channel

The original SAE password-element derivation iterates a variable number of times depending on the password and MAC. Cache hits leak the iteration count.

Read the full file on GitHub · 200 lines

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 1mo ago First seen · 200 lines · 142 tokens per session scan B eed114e0cab3

Subscribe to this mod's changes

offensive-wpa3-sae is a skill published in the GitHub repository Miosa-osa/OSA (78 stars, last pushed 11d ago), licensed Apache-2.0. It adds 142 tokens to every session and 2,052 once invoked, about $0.0006 per session on Opus 5.5. A static security scan graded it B with 1 finding (asks for root). It is 89% identical to offensive-wpa3-sae, differing in 40 lines, and is treated as a copy.

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