CVE-2021-22377PoC(huawei / s12700)

LOWCVSS 7.2 · HIGH

Exploit discussion active in current signal (1 latest mentions)

Immediate actions

  • Hunt for exploitation attempts and persistence artifacts
  • Increase monitoring for publicly documented tradecraft
  • Track advisory updates for patch or workaround availability

Recommended action window: High priority (within 72h)

NVD description

There is a command injection vulnerability in S12700 V200R019C00SPC500, S2700 V200R019C00SPC500, S5700 V200R019C00SPC500, S6700 V200R019C00SPC500 and S7700 V200R019C00SPC500. A module does not verify specific input sufficiently. Attackers can exploit this vulnerability by sending malicious parameters to inject command. This can compromise normal service.

2.0/ 10 priority

Sources & remediation

Weakness type (CWE)
CWE-20

Priority

LOW

Exploitation

NONE

PoC

YES

Patch

NONE

Momentum

NONE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

  • s12700
  • s12700_firmware
  • s2700
  • s2700_firmware

Threat summary

  • Public PoC is present in monitored signal
  • 1 mentions across 1 observed day

What's happening

  • PoC mentioned or linked in 1 signal
  • 1 total mentions across 1 day

Affected systems

Vendors
Products
s12700s12700_firmwares2700s2700_firmwares5700s5700_firmwares6700s6700_firmwares7700s7700_firmware

2 versions affected across 10 products

Deep dive

Activity timeline1 mentions / 1d
00111Mentions · 2026-04-13: 1PoC Mentioned / Linked · 2026-04-13: 104-13
Signal classification1 categories
PoC
1100.0%
Full discourse1 post
  • ꒐ꋊꋊꄲꉔꏂꋊ꓄ 👉 https://linktr.ee/ibinwa@IBinwa
    PoC

    @StanysBujakera En voulant justifier son manque de #bilan et son incompétence 2.0, @shabani_lukoo vient d’exposer un système pourtant censé rester secret, un équipement penetrable en moins de 30 minutes, [CVE-2021-22377]. https://t.co/wteKxEklDV

    Post summary

    The tweet indicates that CVE-2021-22377 was used to quickly compromise a previously secret system, suggesting a publicly demonstrated proof-of-concept, but provides no technical or mitigation details.

    6211221.5K
    3.4K followersView on X
CPE platform detail10 entries

10 of 10 entries

PartVendorProductVersionTarget SWTarget HW
HWhuaweis12700---
OShuaweis12700_firmwarev200r019c00spc500--
HWhuaweis2700---
OShuaweis2700_firmwarev200r019c00spc500--
HWhuaweis5700---
OShuaweis5700_firmwarev200r019c00spc500--
HWhuaweis6700---
OShuaweis6700_firmwarev200r019c00spc500--
HWhuaweis7700---
OShuaweis7700_firmwarev200r019c00spc500--

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