Individual skill
pentesting-snmp
Testing SNMP services (default 161/UDP for agents, 162/UDP for traps, 10161/10162 over TLS/DTLS) for default/guessable community strings, sensitive MIB/OID data harvesting, writable rwcommunity strings, and SNMP-to-RCE via NET-SNMP-EXTEND-MIB during authorized engagements.
internal/tools/skills/data/network-services-pentesting/pentesting-snmp/SKILL.md
Source commit d42f381ad34843e71a42658e5c57290c713e85af
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- Yes
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- Observed behavior
- Network or broad shell
- Last checked
- Nov 9, 2026
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Repository context
- Repository stars (not skill ratings)
- 1,323
- Repository last updated
- Nov 8, 2026
- License
- Apache-2.0
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- cybersecurity Repository topic
- security Repository topic
- bug-bounty Repository topic
- automation Repository topic
- autonomous-pentesting Repository topic
- ai-agent Repository topic
- ai-security Repository topic
- ethical-hacking Repository topic
- golang Repository topic
- penetration-testing Repository topic
- penetration-testing Declared skill tag
- network-services Declared skill tag
- snmp Declared skill tag
- data Derived category
- testing Derived category
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# Pentesting SNMP (port 161)
## When to Use
- Default port `161/udp` for SNMP agents (queries); `162/udp` for traps sent server->client; `10161/10162` when wrapped in TLS/DTLS.
- When `nmap`/banner shows `snmp`, e.g. `161/udp open snmp udp-response ttl 244 ciscoSystems SNMPv3 server (public)`.
- Against routers, switches, printers, IoT and servers that expose monitoring data through the Management Information Base (MIB).
- SNMPv1 and v2/2c authenticate with a plaintext **community string**; SNMPv3 uses real credentials and encryption (dictionary attack is harder).
## Quick Enumeration
```bash
# Nmap (run SNMP scripts except the slow brute)
nmap --script "snmp* and not snmp-brute" <target>
# Guess community strings (onesixtyone is fast for UDP)